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Keep or replace the existing loan

Should I refinance for a lower monthly payment?

Count the cost of replacing the old loan before treating the smaller payment as money saved.

Refinance for a lower payment only after comparing the complete cost of keeping the old loan with replacing it over the period you expect to keep the debt. Include the old payoff, new fees, new payment schedule and any balance due when that period ends. A smaller installment can improve monthly cash without making the whole decision cheaper.

For mortgages, the CFPB's points-and-lender-credits explanation shows how upfront cost and interest cost can trade off. Use actual comparable offers rather than assuming that a fee-free label or lower advertised rate settles the choice.

Start with the old payoff, not the original balance

Use a wholly fictional comparison. The old lender's current complete payoff is $20,000. If kept, the loan requires 24 remaining monthly payments of $950 and ends with no additional balance or fee.

The replacement loan sends $20,000 directly to the old lender, clearing that obligation. It requires 24 monthly payments of $900, with no final balance, plus $1,000 of complete refinancing charges paid separately at the start. There is no cash-out, added purchase or other charge. Both next payments fall on the same date.

These are supplied payment and payoff quotes, not schedules derived from an assigned APR or market interest rate. The borrower has $1,500 available for the fees after protecting other commitments and can fund $950 monthly under either route. No further borrowing supplies the upfront $1,000.

The new loan proceeds do not become $20,000 of spending money as well as clearing the old debt. The same transfer has one job.

Compare the whole remaining period

Keeping the old loan costs $22,800: 24 times $950. Replacing it costs $22,600: 24 times $900 plus the $1,000 upfront fee. Under the complete supplied schedules, refinancing saves $200 over 24 months.

The monthly reduction is $50, totaling $1,200 over those payments. Calling all $1,200 a saving would omit the $1,000 paid to obtain it.

The fee also uses cash earlier. The borrower's $1,500 leaves $500 after refinancing, while keeping the loan leaves that initial pool untouched. A $200 total advantage does not establish that giving up $1,000 of current liquidity is a good trade for this borrower.

Check an earlier payoff on both sides

Now compare another possible horizon: paying the debt off immediately after payment twelve. The old lender supplies a complete payoff of $10,600 at that point. The replacement lender supplies $10,300. Both figures include everything then due under these fictional quotes; neither is inferred from the sum of remaining installments.

Keeping the old loan through that ending requires $11,400 of installments plus $10,600 payoff, or $22,000 from today. Replacing it requires $10,800 of installments, $10,300 payoff and the $1,000 initial fee, or $22,100.

At this supplied twelve-payment exit, refinancing costs $100 more. The payoff source would also need to be established before either exit could actually happen. These are cash requirements for a comparison, not funded repayments already made.

The same new loan can be cheaper through payment twenty-four and more expensive through payment twelve. The date matters alongside the payment reduction.

Use simple fee recovery for its narrow question

Dividing the $1,000 fee by the $50 monthly payment reduction gives twenty months. That describes when cumulative smaller installments would recover the upfront cash outlay, ignoring other differences. It is not a complete comparison of the principal balances at an earlier payoff.

The CFPB's discussion of discount points describes a rough upfront-cost recovery period using monthly savings. Keep that limited cash measure separate from a complete keep-or-replace analysis.

In this case, the twelve-month comparison includes a $300 smaller payoff under the replacement loan. It still does not recover the full fee: $600 of payment reductions plus $300 of payoff difference is $900, leaving refinancing $100 behind.

Check what a real new loan changes

Confirm the amount financed, fees paid now or financed, remaining term, rate changes, collateral, guarantees, payoff restrictions and any different insurance requirements. If the new term extends beyond the old loan's end, include those later payments too. If other debts are rolled in, the smaller payment is answering a broader question.

The loan-payment guide separates installments, remaining schedules and payoff amounts. The borrowing-capacity guide asks whether replacement funding can actually be obtained. A favorable cost calculation does not provide lender approval.

Finish with the objective: more monthly room, lower complete cost, a different risk or a specific payoff date. State which one the offer supplies and what it costs.

Read alongside the book

Original commentary and discussion material. Read the full personal accounts in Infinite Upside: Building Wealth With Room to Live, by Vijay Sheth.

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ABOUT THE CONTRIBUTOR

Luna Lim

DIRECTOR OF FINANCIAL RESEARCH & EDITORIAL STRATEGY

SHETH CAPITAL, INC.

Luna Lim writes about business, investing, and the judgment behind financial decisions. She joined PCH Exotics Inc. as Director of Operations in 2022, working across La Jolla and Miami. Today, she reports directly to Vijay Sheth at Sheth Capital, Inc., bringing an operator’s perspective to the ideas she covers.

Based in Pacific Beach, California, Luna is curious about the people behind the numbers: what they’re building, how they weigh uncertainty, and what makes a risk worth taking. Her articles for Infinite Upside follow those questions through the details, with clear explanations and a feel for how decisions play out in everyday business.

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