Refinancing your mortgage is worth it if you get a lower interest rate, a shorter term, or a smaller monthly payment. It’s usually beneficial if you can lower your mortgage interest rate by one percentage point. For a $400,000 loan, reducing the rate from 6.5% to 5.5% saves $257 per month, nearly 20% of the payment. With $8,000 in closing costs, you’ll need to keep the loan for 2.6 years to break even.

Avoiding Closing Costs. You can ask your lender about a no-closing-cost refinance, where you pay a slightly higher interest rate, but avoid upfront costs. This strategy allows you to sell your home anytime without penalty. Alternatively, you can roll closing costs into your new loan, ideal if you plan to stay for several years. You’ll pay more interest, but it can be cheaper than a higher-rate, no-closing-cost loan.

You can also replace an adjustable-rate mortgage with a fixed 30-year term, or switch a 30-year loan to a 20- or 15-year term. Principal payments will be higher, but the interest rate will be lower.