Should You Pay Off Your Mortgage Early?

Updated June 2026 ยท 8 min read

📑 Table of Contents

    Few financial questions spark as much debate as this one. On one side, the math often says: invest the extra cash. On the other, the emotional weight of being debt-free is undeniable. Let's walk through both sides — with real numbers.

    The Math: Investing vs. Paying Down Debt

    Imagine you have a $320,000 mortgage at 6.5% for 30 years. Your monthly payment is about $2,022. Now imagine you have an extra $500 each month to either pay down the mortgage or invest.

    Scenario A — Pay extra on the mortgage: Putting $500/month extra toward principal pays off the loan in about 20 years instead of 30, saving roughly $160,000 in interest. Guaranteed return: 6.5% (your mortgage rate).

    Scenario B — Invest the $500/month: If you invest that same $500/month in an S&P 500 index fund averaging 8% annually, after 30 years you would have roughly $745,000. But this is not guaranteed — the market could return less, or even lose money in the short term.

    The decision comes down to guaranteed vs. expected returns. A 6.5% guaranteed return by paying off debt is excellent. An 8% expected return in the market is slightly better on paper — but comes with risk.

    When Paying Off Early Makes Sense

    When You Should NOT Pay Off Early

    The Middle Ground: What Most People Actually Do

    You do not have to choose all-or-nothing. Many people take a balanced approach:

    These small moves can shave years off your loan without sacrificing your investment goals.

    A Quick Rule of Thumb

    💡 The 5% Rule

    If your mortgage rate is above 5%, prioritize paying it down. If it is below 5%, prioritize investing. Between 4-5%, it is a toss-up — do whatever helps you sleep at night.

    📊 Try Our Mortgage Calculator →

    🔍 Related Calculators & Guides

    🏠 Mortgage Calculator 📈 Compound Interest Calculator 📈 ROI Calculator 💳 Loan Calculator 🎯 Savings Goal Calculator 📖 Pay Off Mortgage Early? 📖 Power of Compound Interest 📖 15 vs 30 Year Mortgage 📖 How Much to Retire?