(This article originally appeared in the April 2026 issue of Military Officer, a magazine available to all MOAA Premium and Life members who can log in to access our digital version and archive. Basic members can save on a membership upgrade and access the magazine.)

Paying off a mortgage early is often framed as an obvious financial win. Mortgage interest can cost you hundreds of thousands of dollars over the life of a loan. Of course you would want to pay it off quickly, right?

Not so fast.

Most arguments for paying off a mortgage early focus on the amount of interest you would save. But in deciding whether to accelerate your mortgage payment, consider not just the cost of interest but also cash flow management, risk tolerance, the impact of inflation, personal priorities, and your peace of mind.

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First, consider the value of the money you would use to pay off the loan early — it could be useful for another purpose.

Typically, that would be an investment in stocks or bonds. However, it could also go toward opening a small business or earning an academic degree. The value of each option is difficult to calculate in general terms, but you should consider the full range of uses for your money.

The cost of mortgage interest must be compared to the growth of that money if invested. For example, my current mortgage is costing me 2.875% of interest each year. My retirement savings earned around 18% last year. I’m coming out ahead financially by remaining invested and even adding cash to my investments.

Additionally, my retirement investments are in tax-advantaged accounts, providing even more value. This requires consideration of your interest rate and the likely growth of your investments. Be sure to factor in market volatility; not every year will have great returns.

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Second, inflation makes your mortgage payment less expensive over time. For anyone receiving a cost-of-living adjusted income such as military retirement pay and/or Social Security benefits, a fixed mortgage payment will become a smaller portion of your income over time.

Let’s say your mortgage is $2,000 per month and your military retirement pay is $4,000 per month. Right now, your mortgage is 50% of your military retirement pay. However, in 20 years, your military retirement pay will likely be about $8,000 per month, using average COLA figures. Those later mortgage payments “cost” less in real terms than the earlier payments. If you accelerate your mortgage payoff, you lose the benefit of inflation on your payment.

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Third, consider how paying off a mortgage early will impact your monthly cash flow, both during the accelerated repayment and then after the loan is paid off.

For many families, financial decisions must focus on cash flow. Paying extra toward the principal can impact your current standard of living and reduce your financial flexibility.

Not only will you spend more of your budget on housing each month, but you won’t see a short-term gain. Paying extra toward the principal reduces your future interest costs and can shorten your loan term, but it doesn’t change your required monthly payment. There’s no visible benefit until you complete the loan payoff.

On the flip side, paying off your mortgage entirely frees up that money each month, giving you far more room in your budget for other goals.

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Fourth, consider how using your cash to pay down the mortgage will impact your financial flexibility. In addition to the cash flow issue, money tied up in home equity is not easily accessible. If you need that money, you’ll either have to sell the property or borrow against it; both options may have challenges, and they both cost money.

Most experts would advise against using all your available resources to pay down a mortgage, as preserving liquid assets can provide a buffer against unexpected expenses. This can be particularly valuable during life transitions, including retirement, illness, or caregiving responsibilities.

Beyond the mathematical factors, you may have strong emotions about owning your home free and clear. This can provide a sense of stability, particularly when approaching life changes such as retirement. However, you may find it stressful to liquidate assets or reduce your other priorities to pay off a loan.

In most cases, there’s no clear “right” answer. Sometimes, a compromise might allow you to pay off your mortgage slightly earlier without feeling overwhelmed.

For example, targeting payoff to a life event such as retirement might mean you only need to make a slightly larger payment each month. This can save money while still preserving flexibility and allowing you to reach other financial goals simultaneously.

By exploring all these considerations, you can choose an approach that makes sense for both your long-term goals and your current financial situation.