Should you pay down your mortgage beyond the minimum or invest instead? If you’re among the 85 million American individuals or families who own a home, you’ve probably asked yourself this question.
The answer depends on your mortgage rate, your investment timeline and your personal comfort with risk. Let’s break down the math and the factors that should guide your decision.
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The Simple Math Behind This Decision
At its core, this decision comes down to comparing two numbers: your mortgage interest rate versus your expected investment return.
If you can reasonably expect to earn more from investing than you’re paying in mortgage interest, investing typically comes out ahead. If your mortgage rate is higher, paying it off usually wins.
The spread matters. A 7% expected investment return versus a 6.5% mortgage rate makes the decision more difficult than 7% versus 4%.
Why Investing Often Wins
For many homeowners, particularly those who locked in low rates before 2022, investing the extra money makes more financial sense.
Higher long-term returns. The S&P 500 has historically returned around 10% annually over long periods. Even being conservative and expecting 7% to 8%, that typically beats mortgage rates of 5% or less. The keyword is “long-term.” You need to leave the money invested for at least five years, preferably much longer, to smooth out the inevitable ups and downs.
Your money stays accessible. Equity trapped in your home isn’t easy to access. You’d need to sell the house, take out a home equity loan or refinance to tap it. Money in a brokerage account? You can sell whatever portion you need whenever you need it.
Tax advantages compound your returns. Contributing to a 401(k) reduces your taxable income, and you may get an employer match on top of that. A Roth IRA grows completely tax-free. Meanwhile, if you itemize deductions, you’re getting a tax benefit from your mortgage interest, but paying off the mortgage eliminates that deduction.
When Paying Off the Mortgage Makes Sense
The math doesn’t always tell the whole story. There are legitimate reasons to prioritize your mortgage.
Guaranteed return, zero risk. Paying off a 6% mortgage is the equivalent of earning a guaranteed 6% return. The stock market offers no such guarantees. If you’re planning to cash out investments within five years, you’re taking a real gamble. Markets can drop 20% or more in any given year.
Peace of mind has value. There are times in personal finance where the mathematically optimal choice isn’t the right one. Some people sleep much better without a mortgage payment hanging over them. Owning your home outright provides security that doesn’t show up in a spreadsheet. That psychological benefit is real.
You’re close to retirement. Traditional wisdom says to pay off your mortgage before you retire, and there’s good reason for that. Living on a fixed income while carrying a large mortgage can feel precarious, especially during inflationary periods when your dollars buy less but your payment stays the same.
What About Today’s Higher Rate Environment?
The landscape looks different depending on when you got your mortgage. If you bought or refinanced between 2020 and early 2022, you probably locked in a rate below 4%, possibly below 3%. With rates like that, even a basic high-yield savings account can out-earn your mortgage.
If you’ve bought more recently at a rate of 6% or 7%, the decision gets tighter. You need more substantial investment returns to justify keeping the mortgage, and the margin for error shrinks.
As money expert Clark Howard says, “Generally, the point at which it’s not as good of an idea to prepay a mortgage is when your rate is below 4% in today’s marketplace.”
Check These Boxes First
Before you put extra money toward either your mortgage or investments, make sure you’ve covered these basics.
Build an emergency fund. You need three to six months of expenses saved and easily accessible. You don’t want to turn to credit cards for unexpected costs because all your money is tied up in your house or locked in retirement accounts, subject to early withdrawal penalties.
Capitalize 401(k) match. If your employer matches your 401(k) contributions, grab that free money first. That’s an instant 50% to 100% return on your contribution, beating any other option.
Eliminate high-interest debt. Credit cards charging 20% or more should be paid off before you accelerate your mortgage payments or invest extra in taxable accounts.
Questions to Ask Yourself
Still unsure? Walk through these questions.
How long until you retire, and when will you pay off the mortgage if you stick to minimum payments? If your mortgage will be paid off well before you stop working, there’s less urgency to pay it off sooner.
How long can you stay invested before needing the money? If you might need the funds within a few years, the certainty of paying down your mortgage likely beats the market’s volatility.
How would you feel if the market dropped 30% the year after you chose investing over paying off your mortgage? If that scenario keeps you up at night, the right answer might be the one that lets you sleep.
Final Thoughts
For most people with mortgage rates below 5% and a decade or more until retirement, the math favors investing. For those with higher rates, shorter time horizons or a strong preference for certainty, paying down the mortgage often wins or comes close.
Still not sure? Walk through our decision tree above for a quick recommendation, then use the Pay Off Mortgage or Invest Calculator to see the exact numbers for your situation.
