Mike Prenesti | The Mortgage Jedi

Should I Refinance? Here's How to Actually Know

July 28, 2026 6 min

Back to BlogShould I Refinance? Here's How to Actually Know
MP

Mike Prenesti, The Mortgage Jedi

16 years helping Las Vegas homebuyers find the right loan. NMLS #1033445.

Homeowners ask me this constantly, usually anchored to some rule of thumb they heard years ago that does not really apply anymore. Here is how to actually answer the question for your specific situation.

Forget the Old 1% Rule

For years, conventional wisdom said you needed at least a 1% rate drop to justify refinancing. That rule ignores your loan balance, your closing costs, and how long you plan to stay in the home, all of which matter more than a flat percentage threshold. A half point drop on a large loan balance you plan to keep for a decade can make far more sense than a full point drop on a small balance you might sell in two years.

The Real Question: Break-Even Point

The actual math that matters is your break-even point, how many months it takes for your monthly savings to exceed what you paid in closing costs to refinance. If refinancing costs you $4,000 and saves you $200 a month, your break-even point is 20 months. If you plan to stay in the home longer than that, it likely makes sense. If you might move before then, it likely does not.

Rate and Term Refinance vs. Cash-Out Refinance

These serve different purposes. A rate and term refinance simply replaces your loan with better terms, a lower rate, a shorter term, or both, without changing your loan balance meaningfully. A cash-out refinance pulls equity out as cash, increasing your loan balance in exchange for liquidity. Both can make sense, but they are answering different questions, and it is worth being clear on which one you are actually trying to solve for.

When Refinancing Makes Sense Beyond Just Rate

Removing mortgage insurance once you have built enough equity, even without a rate improvement, can justify a refinance on its own. Switching from an adjustable rate to a fixed rate for payment certainty is another reason that has nothing to do with chasing a lower number. Consolidating a HELOC or second mortgage into a single first mortgage payment can also simplify your finances even if the blended rate improvement is modest.

When Refinancing Probably Doesn't Make Sense

If you plan to sell within the next year or two, the math rarely works given closing costs. If your current rate is already quite low compared to today's market, resetting your amortization schedule back to a full 30 years can sometimes cost you more in total interest over time than staying put, even with a lower monthly payment. This is worth running through actual numbers, not assuming a lower payment always means a better deal.

Refinancing Isn't Free, Even Without Out-of-Pocket Cash

Many refinances roll closing costs into the new loan balance rather than requiring cash at closing, which feels free but is not. You are still paying those costs, just spread across your loan rather than upfront. Understanding this distinction matters when comparing your real long-term cost.

Run Your Actual Numbers Before Deciding

Rules of thumb are a starting point, not an answer. Your break-even point, your specific goals, and how long you plan to stay are what actually determine whether refinancing makes sense for you.

Get started here or book a call and let's run your real numbers together.

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