01
The four real reasons to refinance
- Lower rate. Save monthly payment and total interest over the loan life.
- Cash-out. Convert equity to cash for renovation, debt payoff, business, or investment.
- Change loan structure. ARM to fixed, 30-year to 15-year, remove PMI, remove a co-borrower.
- Consolidate debt. Pay off high-rate debt (credit cards, personal loans, HELOCs) into a lower-rate first mortgage.
Every refinance should map to at least one of these. If it doesn't, don't do it.
02
The break-even math
The single number every refinance decision hinges on: how many months of savings does it take to pay back the closing costs?
Formula: total closing costs ÷ monthly payment savings = break-even months.
If closing costs are $8,000 and you save $250/month, break-even is 32 months. If you plan to keep the loan longer than 32 months, the refi wins. If not, it doesn't matter how much lower the rate is.
The trap: rolling closing costs into the loan makes the savings look bigger but doesn't change the underlying math. Always run break-even against total cost, not just out-of-pocket.
03
Rate-and-term refinance
The straight rate reduction. Same loan balance, new rate, new term. Best for homeowners who plan to stay long enough for savings to overtake costs, and who don't need cash out.
In today's market, we generally want a rate improvement of at least 0.5%–0.75% to make a standard refi work, unless closing costs are unusually low.
04
Cash-out refinance
Replace your existing mortgage with a larger one and take the difference in cash. Rates are typically 0.25–0.50% higher than rate-and-term.
Cash-out is powerful for renovation, high-rate debt payoff, or investment property down payments. It's dangerous when used to fund lifestyle spending — you're converting short-term consumption into 30-year debt.
Most programs cap cash-out at 80% loan-to-value on a primary residence and 75% on a second home.
05
When to keep your first mortgage and use a second
If your existing first mortgage is in the 3%s, refinancing to pull cash almost never pencils — the blended new rate is usually worse than keeping the first and layering a second.
A HELOC or fixed-rate second mortgage lets you access equity while preserving the low first-rate. Break-even math still applies, but on a much smaller balance.
See the
Home Equity Access Guidefor the full comparison.
06
The refinance traps
- Resetting your amortization clock. A refi restarts the interest-heavy years of a 30-year loan.
- 'No cost' refis. Costs are baked into a higher rate — you always pay, just spread differently.
- Refinancing right before selling. Almost never recovers closing costs.
- Cash-out to pay off debt without changing the spending behavior that created it.
FAQ
Common questions
- How much does a refinance cost?
- Typically 2–3% of the loan amount in closing costs on a standard rate-and-term refinance. On a $600,000 loan, budget $12,000–$18,000, though credits and structure can reduce out-of-pocket significantly.
- How long does a refinance take?
- Standard rate-and-term refinances take 21–35 days from application to funding. VA IRRRL and FHA Streamline can close in as little as 14 days.
- Can I refinance with no closing costs?
- You can structure the loan so lender credits cover fees, but that comes at a higher rate. The right question is which total cost is lower over your expected holding period.
- Will refinancing hurt my credit?
- A hard pull temporarily drops your score by a few points. It recovers within a few months, and the long-term impact is negligible.
- How much equity do I need to refinance?
- 3–5% for rate-and-term on a conventional loan (2.25% for VA, 2.25% for FHA Streamline). Cash-out generally requires you to keep at least 20% equity after the new loan.
Have a scenario you want walked through?
Every file is different. If you'd like a straight, no-pressure read on your numbers, send them over and Mark will personally review them.