# Difference Between Repayment and Payment Author: Nex Virox Team (Editorial Team) Reviewed by: Varshal Nirbhavane Published: 2026-09-07 Last updated: 2026-09-07 Canonical: https://nexvirox.com/difference-between/difference-between-repayment-and-payment/ **Quick answer:** The main difference between Repayment and Payment is that repayment settles an existing debt, while payment covers any current transaction. Repayment is returning borrowed funds under agreed terms, while Payment is transferring money for goods, services, or obligations. Both reduce financial liability, but repayment specifically addresses prior credit extended.

Difference Between Repayment and Payment: Comparison Table

Aspect	Repayment	Payment
Definition	Returning borrowed funds, including principal and interest, to a lender over a set term.	Transferring money for goods, services, or debts owed in a single transaction.
Purpose	Clears an outstanding loan balance and satisfies a formal borrowing agreement.	Settles an invoice, purchase price, or obligation at the point of exchange.
Core Mechanism	Uses scheduled installments that apply portions to principal and accrued interest.	Uses a one-time transfer of funds from payer to payee via cash, card, or wire.
Time Horizon	Spans months or years, often 12 to 360 months depending on loan type.	Occurs instantly or within a few business days of the transaction.
Frequency	Recurs on a fixed calendar, typically monthly, biweekly, or quarterly.	Happens once per transaction unless tied to a recurring subscription or invoice.
Contractual Basis	Governed by a loan agreement that specifies term, rate, and penalty clauses.	Governed by a sales contract or invoice terms, often without long-term commitment.
Interest Component	Includes interest charges calculated on the outstanding principal balance.	Carries no interest unless the payment is late on a credit account.
Principal Reduction	Each installment reduces the original borrowed amount after interest is covered.	Does not reduce any principal because no principal balance exists.
Amortization	Follows an amortization schedule that maps each payment to interest and principal.	Has no amortization schedule; the full amount settles the current liability.
Legal Obligation	Creates a binding debt obligation enforceable by the lender through collections.	Creates a discharge of liability once the seller accepts the funds.
Default Risk	Missing installments triggers late fees, credit damage, and potential repossession.	Missing a payment results in a late fee or service suspension, not long-term debt.
Credit Score Impact	On-time installments build credit history; missed ones lower scores significantly.	Affects credit only when tied to a credit card or reported utility account.
Cost Structure	Total cost equals principal plus cumulative interest plus origination or late fees.	Total cost equals the purchase price plus any transaction or convenience fee.
Speed of Completion	Takes the full loan term, often years, to complete the obligation fully.	Completes in seconds for cards or up to 3 days for bank transfers.
Flexibility	Allows prepayment or refinancing but may incur prepayment penalties on some loans.	Offers no flexibility after processing unless the seller issues a refund.
Payment Allocation	Lender applies funds first to fees, then interest, then principal per regulation.	Applies the full amount directly to the specific invoice or product line item.
Record Keeping	Generates annual statements showing year-to-date interest and principal totals.	Generates a receipt or transaction log for the single purchase amount.
Tax Treatment	Mortgage or student loan interest may be deductible on annual tax returns.	Business payments may be deductible as operating expenses in the tax year.
Penalty Structure	Late repayment incurs fees up to 5% of the installment plus interest accrual.	Late payment on an invoice may add a flat fee or 1.5% monthly interest.
Prepayment Option	Borrowers can pay extra or settle early, saving future interest charges.	Not applicable because the obligation is fully settled at the time of payment.
Collateral Link	Secured loans tie repayment to assets like homes or vehicles that can be seized.	Payments rarely involve collateral unless buying on a secured installment plan.
Scalability	Scales poorly; taking on multiple loans multiplies monthly obligation complexity.	Scales easily; a business can process hundreds of payments daily with software.
Automation	Auto-debit systems deduct installments automatically on the due date each month.	Recurring billing automates fixed-amount payments on a chosen schedule.
Error Handling	Disputes require formal lender review and may pause interest accrual temporarily.	Disputes trigger chargebacks or refunds processed within 7 to 30 days.
Currency Handling	Repayment currency is fixed in the loan contract, often matching the disbursement.	Payments can use multiple currencies with conversion fees at the processor rate.
Security Measures	Lenders use encryption and fraud monitoring on the repayment portal.	Payment processors use tokenization and PCI-DSS compliance to protect card data.
Availability	Repayment options are limited to the lender's portal, app, or mailed checks.	Payments are accepted via cash, card, bank transfer, mobile wallets, and checks.
Typical Example	Paying a $400 monthly installment on a 5-year auto loan at 6% APR.	Paying $50 for a restaurant meal with a debit card at the counter.
Primary Users	Borrowers with mortgages, student loans, auto loans, or personal lines of credit.	Consumers and businesses purchasing goods, utilities, or professional services.
Best-Fit Scenario	Ideal for funding large assets like homes or education that require long-term financing.	Ideal for settling everyday purchases, invoices, or one-time service fees.

What Is Repayment?

Repayment is the act of returning borrowed money under agreed terms. It exists to settle a debt obligation, typically including principal plus interest. Unlike a single payment, repayment follows a structured schedule, such as monthly installments, until the full balance reaches zero.

Definition of Repayment

Repayment is the contractual transfer of funds from a borrower to a lender to satisfy a debt, covering principal and accrued interest over a defined period. It differs from a payment, which can be any monetary transfer without a debt-reduction context. Repayment terms specify amounts, frequency, and maturity date.

Key Characteristics of Repayment

Characteristic	What It Means in Practice
Scheduled installments	Borrowers pay fixed amounts at regular intervals, usually monthly or biweekly, until the debt is cleared.
Interest accrual	Lenders charge interest on the outstanding balance, increasing the total amount owed over the loan term.
Principal reduction	Each installment reduces the original borrowed amount, gradually lowering the remaining debt.
Fixed or variable rate	The interest rate can stay constant for the loan life or fluctuate with market benchmarks, affecting installment size.
Amortization schedule	A detailed table shows each payment's split between interest and principal, updating the remaining balance.
Prepayment option	Borrowers may pay extra or settle early, often subject to penalties that compensate the lender for lost interest.
Default risk	Missing scheduled repayments can trigger late fees, credit score damage, or legal collection actions.
Collateral backing	Secured loans tie repayment to an asset, which the lender can seize if the borrower stops paying.
Grace period	A short window after the due date allows late repayment without penalty, typically 10 to 15 days.
Final payoff	The last installment clears the remaining balance, closing the loan account and ending the repayment obligation.

Common Examples of Repayment

Mortgage loan – Homebuyers repay a 30-year fixed-rate mortgage through monthly principal and interest installments.
Student loan – Graduates repay federal or private education debt over 10 to 25 years, often with income-driven plans.
Auto loan – Car buyers repay a 5-year auto loan in equal monthly payments, with the vehicle as collateral.
Credit card balance – Cardholders repay revolving debt monthly, with minimum payments covering interest plus a small principal portion.
Personal loan – Borrowers repay an unsecured lump sum over 2 to 5 years at a fixed interest rate.
Business term loan – Companies repay equipment or expansion financing through quarterly or monthly installments.
Payday loan – Borrowers repay a short-term, high-cost loan in full on their next payday, typically within two weeks.
Peer-to-peer loan – Individuals repay loans funded by online investors, following a set schedule with interest.
Home equity line – Homeowners repay a HELOC with interest-only payments during draw, then principal plus interest in repayment.
Debt consolidation loan – Borrowers repay a single loan that covers multiple existing debts, simplifying monthly obligations.

Advantages and Limitations of Repayment

Advantages	Limitations
Builds a positive credit history, improving future borrowing capacity and interest rates.	Long-term loans accumulate significant interest, often exceeding the original principal borrowed.
Provides a clear end date, enabling borrowers to plan their finances with certainty.	Fixed monthly obligations reduce disposable income, limiting spending flexibility for other needs.
Reduces debt gradually, lowering financial stress as the outstanding balance shrinks.	Late or missed repayments incur penalty fees and can permanently damage credit scores.
Offers structured discipline, preventing the uncontrolled debt growth seen with revolving credit.	Prepayment penalties can make early settlement costly, reducing the benefit of paying off debt faster.
Secured repayment loans often carry lower interest rates than unsecured alternatives.	Variable-rate repayments expose borrowers to rising interest costs when market rates increase.
Successful repayment releases collateral, restoring full asset ownership to the borrower.	Defaulting on secured loans results in asset seizure, causing loss of property or vehicle.
Consistent repayment history demonstrates financial reliability to future lenders.	Amortization schedules front-load interest, meaning early repayments barely reduce the principal.
Refinancing options allow borrowers to adjust repayment terms for better rates or lower installments.	Income shocks like job loss can make scheduled repayments unaffordable, leading to distress.
Repayment plans can be tailored to cash flow, such as biweekly or balloon structures.	Administrative fees for processing repayments can add hidden costs over the loan term.
Completing repayment improves debt-to-income ratio, freeing capacity for new credit.	Some loans require continuous repayment even if the purchased asset loses value or becomes unusable.

What Is Payment?

Payment is the transfer of money, goods, or services in exchange for a product or debt settlement. It exists to complete a commercial transaction. Payment methods include cash, credit cards, bank transfers, and digital wallets. Each transfer creates a legally binding record of value exchanged between two parties.

Definition of Payment

Payment is a deliberate act of discharging a financial obligation by transferring accepted monetary value from a payer to a payee. This transfer settles a debt or purchases goods. Accepted forms include legal tender, negotiable instruments, or electronic value. The transaction concludes when the payee acknowledges receipt and the obligation is extinguished.

Key Characteristics of Payment

Characteristic	What It Means in Practice
Irrevocable transfer	Once processed, the payer cannot reverse the transaction without the payee's explicit consent or a legal dispute.
Value equivalence	The amount tendered must match the agreed price or debt amount, unless a discount or penalty applies.
Timing specificity	Payment occurs at a defined moment, such as upon delivery, at invoice due date, or at a scheduled recurring interval.
Legal tender status	Government-issued currency must be accepted for all debts, but private businesses can refuse other payment forms.
Method diversity	Cash, checks, wire transfers, cards, and mobile apps all qualify as payment vehicles with distinct settlement speeds.
Record generation	Every payment produces a traceable receipt, digital log, or bank statement entry for accounting and audit purposes.
Counterparty identification	Both payer and payee must be identifiable, especially for electronic payments, to prevent fraud and money laundering.
Fee structure	Payment processors may charge interchange fees, flat rates, or percentage-based costs that reduce the net amount received.
Settlement finality	Clearing and settlement processes confirm that funds are permanently transferred, eliminating chargeback risk after finality.
Currency denomination	The payment value is expressed in a specific currency, which may require conversion at prevailing exchange rates.

Common Examples of Payment

Cash - Physical banknotes and coins handed directly to a retailer, settling the transaction instantly without intermediaries.
Credit card - A Visa or Mastercard purchase where the issuer pays the merchant, and the cardholder repays the issuer later.
Wire transfer - A SWIFT bank-to-bank transfer moving large sums domestically or internationally, often within one business day.
PayPal - An online digital wallet that links a bank account or card to send money via email, widely used for e-commerce.
Direct debit - A recurring utility bill payment where the merchant automatically withdraws the owed amount from the customer's bank account.
Mobile wallet - An Apple Pay or Google Pay tap at a contactless terminal using near-field communication to authorize a purchase.
Check - A written order to a bank instructing it to pay a named recipient a specified sum from the writer's account.
Cryptocurrency - A Bitcoin transfer on a public blockchain ledger, enabling peer-to-peer value movement without a central bank.
Money order - A prepaid paper instrument purchased from a post office or grocery store, serving as a safe alternative to cash.
ACH transfer - An automated clearing house payment for payroll deposits or vendor invoices, typically settling within one to two business days.

Advantages and Limitations of Payment

Advantages	Limitations
Instant transaction completion for cash purchases, eliminating waiting periods and credit risk for the seller.	Cash payments carry theft risk and provide no fraud protection or purchase history if the receipt is lost.
Credit cards offer buyer protection, including chargeback rights for defective goods or unauthorized transactions.	Credit card payments incur merchant discount fees of 1.5% to 3.5%, reducing profit margins on small sales.
Digital payments create automatic records, simplifying personal budgeting and business bookkeeping with minimal effort.	Electronic payment systems fail during power outages, network disruptions, or server downtime, blocking all transactions.
Wire transfers settle large amounts quickly and securely, making them ideal for real estate closings or business acquisitions.	Wire transfers are irreversible once sent, and errors in account numbers can result in permanent loss of funds.
Recurring billing via ACH automates rent or subscription payments, reducing late fees and manual administrative work.	ACH payments require the payer to share sensitive bank details, which can be misused if the merchant suffers a data breach.
Mobile wallets add biometric authentication, such as fingerprint or face ID, reducing fraud compared to physical cards.	Mobile wallet adoption depends on merchant terminal compatibility, which remains patchy in rural or developing regions.
Cryptocurrency payments enable cross-border transfers without bank fees or currency conversion delays, often settling in minutes.	Cryptocurrency values fluctuate wildly, so a payment's real-world value can change dramatically between sending and confirmation.
Checks provide a paper trail and float time, letting the payer delay actual fund withdrawal until the check clears.	Checks are prone to forgery, bounced funds, and processing delays of several days, making them inefficient for urgent payments.
Money orders are safe for mailing because they are prepaid and require identification to cash, reducing theft risk.	Money orders have purchase fees and maximum limits, typically capped at $1,000, making them impractical for large transactions.
Payment systems enable global commerce, letting businesses sell to customers anywhere with automated currency conversion.	International payments face compliance checks, anti-money laundering screening, and settlement delays that can stretch to five days.

Similarities Between Repayment and Payment

Shared Aspect	How Repayment and Payment Are Alike
Financial Transfer	Repayment and payment both involve transferring money from one party to another to settle an obligation.
Currency Use	Repayment and payment both use standard currency units, such as dollars, euros, or yen, as the medium.
Recipient Benefit	Repayment and payment both provide funds to a recipient, fulfilling a financial expectation from that party.
Payer Action	Repayment and payment both require an active action by the payer to initiate the transfer of funds.
Account Recording	Repayment and payment both generate records in financial accounts, documenting the money movement for both sides.
Transaction Nature	Repayment and payment both are discrete transactions that have a specific date and a defined monetary amount.
Legal Contract	Repayment and payment both often stem from a legal contract that specifies the terms of the transfer.
Obligation Fulfillment	Repayment and payment both serve to fulfill a pre-existing obligation, whether a debt or a purchase price.
Value Exchange	Repayment and payment both represent an exchange of value, moving economic worth from one entity to another.
Method Options	Repayment and payment both can be executed via cash, check, bank transfer, or digital wallet methods.
Timing Schedule	Repayment and payment both can follow a schedule, occurring at a single date or at recurring intervals.
Amount Precision	Repayment and payment both require an exact amount, calculated to the smallest unit of the currency.
Receipt Issuance	Repayment and payment both typically produce a receipt or confirmation for the payer’s records.
Tax Implications	Repayment and payment both can have tax consequences, affecting the taxable income of the payer or recipient.
Audit Trail	Repayment and payment both create an audit trail that allows third parties to verify the transaction occurred.
Fraud Risk	Repayment and payment both carry fraud risk, requiring verification of the recipient’s identity and the transaction details.
Fee Potential	Repayment and payment both may incur processing fees charged by banks, card networks, or payment platforms.
Error Correction	Repayment and payment both can be reversed or corrected if an error occurs, such as a wrong amount or recipient.
Dispute Process	Repayment and payment both are subject to dispute resolution mechanisms if either party challenges the transaction.
Authorization Need	Repayment and payment both require authorization from the payer, often via a signature, PIN, or digital approval.
Cash Flow Impact	Repayment and payment both reduce the payer’s available cash flow and increase the recipient’s cash position.
Balance Sheet Effect	Repayment and payment both alter balance sheets, reducing assets for the payer and increasing them for the recipient.
Record Keeping	Repayment and payment both demand diligent record keeping for personal finance, accounting, or regulatory compliance.
Third-Party Role	Repayment and payment both often involve a third party, such as a bank, that facilitates the transfer securely.
Confirmation Step	Repayment and payment both include a confirmation step to ensure the transaction is completed successfully before closure.
Date Stamping	Repayment and payment both are date-stamped, which establishes the timing for interest calculations or contractual deadlines.
Liquidity Need	Repayment and payment both require the payer to have sufficient liquidity in the chosen account to cover the amount.
Regulatory Compliance	Repayment and payment both must comply with financial regulations, including anti-money laundering and know-your-customer rules.
User Interface	Repayment and payment both are executed through similar user interfaces, such as online banking portals or mobile apps.
Finality Outcome	Repayment and payment both aim for finality, meaning once processed, the obligation is considered settled and closed.

Repayment or Payment: Which Should You Choose?

The decisive variable is whether you owe a scheduled debt or are fulfilling a current transaction. Repayment applies to returning borrowed funds over time. Payment settles an immediate purchase or service. Choose based on the existence of a prior credit agreement, not on the amount involved.

When to Use Repayment

Choose Repayment when you are fulfilling a contractual obligation from a loan, mortgage, or credit line. Use it for monthly installments, settling student debt, or paying down a business line of credit. Repayment always involves a pre-existing lender-borrower relationship and typically includes interest accrual over a defined term.

When to Use Payment

Choose Payment when you are exchanging money for goods, services, or a current invoice without a prior borrowing structure. Use it for retail purchases, utility bills, contractor fees, or subscription renewals. Payment is a one-time settlement of a present obligation, with no interest component and no extended repayment schedule attached.

Common Misconceptions About Repayment and Payment

Common Myth	The Reality
"Payment and repayment are the same thing in every context."	Payment is any transfer of money for goods or services; repayment specifically returns borrowed funds, like loans or credit, with possible interest.
"Making a minimum payment means you are repaying your debt."	A minimum payment mostly covers interest and fees; repayment requires paying down the principal balance, which minimums often fail to do.
"Repayment only applies to student loans or mortgages."	Repayment covers all borrowed money, including credit cards, personal loans, auto loans, business lines of credit, and even informal family loans.
"Paying early on a loan always saves you money."	Early repayment can trigger prepayment penalties or lost interest deductions, so calculate total costs before paying off a loan ahead of schedule.
"A payment receipt proves your debt is fully repaid."	A receipt only proves a single transaction; full repayment requires a paid-in-full statement or lien release from the lender.
"Repayment plans are only for federal student loans."	Private lenders also offer repayment plans, including graduated, extended, or income-based options, though terms vary by lender and contract.
"If you miss one payment, your entire loan becomes due immediately."	Acceleration clauses exist, but lenders usually wait 30–90 days of missed payments before demanding full repayment, depending on your loan agreement.
"Paying the interest monthly means you are repaying the loan."	Interest-only payments keep the principal unchanged; true repayment reduces the original amount borrowed, not just the cost of borrowing.
"A repayment schedule and a payment schedule are identical documents."	A repayment schedule shows principal and interest breakdown over time; a payment schedule may only list due dates and amounts without amortization details.
"You cannot negotiate repayment terms after signing a loan."	Lenders often modify repayment terms through forbearance, deferment, or loan restructuring if you face financial hardship and request assistance.
"All payments reduce your total debt equally."	Payments apply to interest, fees, and principal in a specific order; extra payments must be directed to principal to reduce total debt faster.
"Repayment and refinancing are mutually exclusive options."	Refinancing replaces your current loan with a new one, creating a fresh repayment schedule; you still repay, just under different terms.
"A payment plan is the same as a repayment plan for IRS taxes."	The IRS distinguishes between a short-term payment plan (180 days or less) and a long-term repayment plan (installment agreement), each with different approval criteria.
"Once you repay a loan, your credit score instantly improves."	Repaying a loan updates your credit report, but the score impact depends on credit mix, payment history, and remaining open accounts, not just the paid-off loan.
"Paying more than the minimum is always considered repayment."	Extra payments only count as repayment if the lender applies them to the principal; otherwise, they may prepay future interest or fees.
"Repayment means you must pay back exactly what you borrowed."	Repayment includes the principal plus accrued interest, origination fees, late fees, and other charges specified in your loan agreement.
"A payment holiday means your loan is forgiven."	A payment holiday (deferment or forbearance) temporarily pauses payments, but interest may still accrue, and you must resume repayment later.
"You can only repay a loan through monthly installments."	Repayment methods include lump-sum payments, biweekly schedules, automatic debits, or accelerated payments, depending on your lender’s policies.
"If you sell collateral, your repayment obligation disappears."	Selling collateral (like a car or house) does not cancel repayment; you still owe any remaining balance if the sale price falls short of the loan amount.
"Payment in full and repayment in full mean the same legal thing."	Payment in full settles a current invoice or debt; repayment in full specifically extinguishes a borrowed amount, often requiring a formal release or satisfaction of lien.
"A repayment plan is only for people who are behind on payments."	Repayment plans are also proactive tools for budgeting, available to current borrowers who want structured, predictable monthly amounts.
"Interest is not part of repayment; it is a separate fee."	Interest is a core component of repayment; your periodic payments are allocated to interest first, then principal, per standard amortization formulas.
"You can repay a loan using any payment method you choose."	Lenders restrict repayment methods to approved channels like ACH transfers, online portals, or mailed checks; cash is rarely accepted for loan repayment.
"A payment default and a repayment default are different events."	Both terms describe the same failure to meet your contractual obligation; default occurs after a specified period of missed payments, typically 90 days.
"Repayment always requires a signed agreement."	Verbal repayment agreements are legally binding in many jurisdictions, though written contracts are easier to enforce and prove in court.
"Paying off a loan early always improves your credit utilization."	Credit utilization applies to revolving credit (credit cards), not installment loans; early repayment may lower your credit mix and slightly reduce your score.
"A repayment plan and a debt settlement are identical."	Repayment plans pay the full amount owed over time; debt settlement negotiates a reduced balance, which typically damages your credit score.
"Your lender must accept any repayment amount you offer."	Lenders require repayment amounts to meet minimum thresholds and follow the agreed schedule; partial payments may be rejected or applied to fees first.
"Repayment is complete when your account balance shows zero."	A zero balance may not reflect pending interest, fees, or escrow adjustments; request a final payoff statement and written confirmation of full repayment.
"Payment and repayment have identical tax implications."	Repayment of loan principal is not tax-deductible, but interest payments may be deductible for mortgages, student loans, or business loans, unlike standard payments.

Conclusion

Difference Between Repayment and Payment is timing: payment settles current obligations, while repayment returns borrowed funds over time. Choose payment for immediate, contractual dues. Choose repayment for structured debt reduction with interest. Both reduce liability, but repayment builds credit history through scheduled installments, whereas payment simply fulfills an existing invoice or bill.

## FAQ ### What is the difference between repayment and payment? Repayment is a specific type of payment that settles a previously incurred debt, such as a loan or credit balance. Payment is the broader term for any transfer of money in exchange for goods, services, or settling an obligation. ### How do repayment and payment differ in accounting treatment? Repayment reduces a liability account like a loan payable, while a general payment reduces an expense or asset account. For example, a loan payment splits into interest expense and principal repayment, but a utility bill payment is entirely an expense. ### Which is better for credit scores: making repayments or minimum payments? Making full repayments is better for credit scores because it lowers your credit utilization ratio and reduces total interest costs. Minimum payments only maintain a positive status but leave balances high, which can slow score improvement over time. ### What are the cost differences between repayment plans and standard payment schedules? Repayment plans often extend the loan term, which lowers monthly amounts but increases total interest paid over time. Standard payment schedules have higher monthly amounts but cost less in total interest because the principal is paid down faster. ### Are there risks associated with choosing income-driven repayment over standard payment? Income-driven repayment risks include accruing more interest over a longer period and potential tax liability on forgiven balances. Standard payment avoids these risks but requires higher monthly cash flow, which can strain your budget if income drops. ### Can repayment plans be used with all types of loans and credit accounts? Repayment plans are available for federal student loans, mortgages, and some personal loans, but not for credit cards or most auto loans. Credit cards require minimum payments, while auto loans typically have fixed installment schedules without formal repayment plan options. ### What is a common beginner mistake when choosing between repayment and payment options? A common beginner mistake is choosing the lowest monthly payment without calculating the total interest cost over the full loan term. This decision often leads to paying thousands more in interest than necessary, especially with long repayment plans. ### Are repayment and payment interchangeable terms in financial contracts? Repayment and payment are not interchangeable in financial contracts because repayment specifically refers to returning borrowed funds, while payment covers any monetary transaction. Loan agreements use repayment for principal and interest, but invoices use payment for goods or services delivered. ### What is a real-world example showing repayment versus payment in daily finance? A mortgage payment includes both repayment of principal and payment of interest, while a grocery store transaction is only a payment. Similarly, paying your credit card statement is a repayment, but paying a plumber for a repair is just a payment for services. ### Can I switch from a standard payment plan to an income-driven repayment plan later? Yes, you can switch from a standard payment plan to an income-driven repayment plan at any time for federal student loans. However, you must reapply annually with updated income documentation, and switching may capitalize unpaid interest, increasing your total loan balance.