The 3% Rate Trap: Why “I Can’t Move” Usually Isn’t True

f you locked in a mortgage rate around 3% back in 2020 or 2021, you’ve probably had this thought: “We need a bigger house, but there’s no way I’m giving up this rate.”

You’re far from alone. FHFA researchers found that for every percentage point today’s rates sit above a homeowner’s existing rate, the odds of that homeowner selling drop by about 18%. Between 2022 and 2024, that “lock-in effect” kept an estimated 1.72 million homes off the market.

Here’s what most people don’t realize: moving doesn’t have to mean giving up your rate. Selling and starting over at today’s rates isn’t the only alternative to staying put.

The real question isn’t your rate. It’s your DTI.

When you buy your next home without selling your current one, a lender counts both housing payments against your income. Most lenders cap your combined debt-to-income ratio at around 43% to 45%, and they’ll usually want to see several months of reserves.

That number decides whether this works for you. Everything else is strategy.

Three ways to keep the rate and still move

1. Tap your equity with a HELOC. A home equity line of credit is a separate loan that sits next to your first mortgage without changing it. Your 3% rate stays exactly where it is. You use the line for the down payment on your next home, and if you later sell the first house, the HELOC gets paid off at closing.

Rough example: a home worth $400,000 with $180,000 owed could open up to about $160,000 in equity at an 85% combined loan-to-value. Lender limits vary.

2. Buy a true second home. If the new place really is a second home, such as a lake house, a place near family, or somewhere you’ll live part of the year, a conventional second-home loan finances it on its own. Expect to need about 10% down, a credit score in the 680+ range, and a rate a bit higher than a primary residence loan.

One caveat: if you’re buying a bigger house across town because you’ve outgrown the current one, lenders won’t treat that as a second home. It’s a new primary residence, and different rules apply.

3. Turn your current home into a rental. This option changes the math for a lot of families. You keep the low-rate house, rent it out, and buy your next home as your new primary residence. Lenders can generally count about 75% of the documented rent toward offsetting that old payment. If the rent roughly covers the payment on the old house, your qualifying picture can look much better than you’d expect.

The costliest move is usually waiting

Plenty of homeowners are waiting for rates to drop to a number that feels “worth it.” In the meantime, Central Ohio prices keep climbing, with the median sitting around $325,000 and still rising year over year.

The other common mistake is assuming the answer is no before anyone has run the numbers. Which strategy fits depends entirely on your income, equity, credit, and target price, and generic online calculators can’t sort that out for you.

This isn’t the right move for everyone. If your debt-to-income ratio is already near the limit with just your current mortgage, now may not be the time. But a lot of people who are sure they’re stuck find at least one workable path once they see their real numbers side by side.

Read the full breakdown, with lender requirements, HELOC math, and FAQs, on our blog: 👉 You Don’t Have to Give Up Your 3% Rate to Buy Your Next Home

Or, if you’re a Central Ohio homeowner who wants your own numbers modeled, join Ryan and me at UNSTUCK, a live session built for homeowners locked in by a low rate. Register at stewards.loan/unstuck, or call or text 614-767-5273.

Ryan Miracle, NMLS #497698 | Ruoff Mortgage | Equal Housing Opportunity