Many people assume that once they hit their 50s, their credit score stops being a big deal. After all, you’ve probably already bought a home, have a car, and are thinking more about retirement savings than about borrowing money. But the truth is that your credit score remains one of the most important numbers in your financial life, and it can have a surprising impact on your comfort and security in the years ahead. Whether you plan to downsize, help an adult child, or simply live on a fixed income, a strong credit score will make everything easier and cheaper.

One of the biggest ways your credit score matters after 50 is through your housing costs. Even if you own your home outright, you might decide to move to a smaller place, a warmer state, or a community with better healthcare. If you need a mortgage to buy that new home, your credit score will determine the interest rate you get. A difference of just one or two percentage points on a 30-year loan can translate into tens of thousands of dollars in extra interest. That’s money you could be using for travel, hobbies, or medical expenses. And if you choose to rent instead, landlords almost always pull credit reports. A lower score can mean paying a larger security deposit or getting turned away entirely.

Your credit score also plays a big role in what you pay for insurance. Most auto and homeowners insurance companies use something called a credit-based insurance score to set your premiums. This isn’t exactly the same as your regular credit score, but it’s closely tied to the same information in your credit report. Studies have shown that people with lower credit scores file more claims and cost insurers more money, so insurers charge them higher rates. That means a poor credit history could add hundreds of dollars a year to your car insurance and home insurance bills. Those costs add up quickly when you’re living on a fixed income.

Another thing to consider is how your credit score can affect your job prospects. While employers aren’t supposed to look at your actual credit score, they can request a modified version of your credit report with your permission. Many companies, especially those in banking, insurance, or any job that involves handling money, run this kind of background check during the hiring process. A history of late payments, maxed-out cards, or collections can raise red flags and cost you a job offer, even if you’re otherwise perfectly qualified. In your 50s and beyond, the job market can be competitive, and you don’t want a credit issue to be the reason you miss out on a position you need.

Perhaps the most overlooked reason your credit score matters at this stage is that you might end up borrowing money for things you didn’t plan for. Unexpected home repairs, a medical emergency, or helping a child with a down payment can all require a personal loan or a new credit card. Lenders will look at your score and decide not only whether to approve you, but also what interest rate to charge. If your score is below 650, you could face double-digit rates that make any emergency loan much more expensive. But if your score is above 760, you’ll likely qualify for the best rates available, which can keep your monthly payments manageable.

Keeping your credit score strong in your 50s doesn’t require fancy strategies. The most important thing is to keep paying all your bills on time, every time. Payment history makes up a huge portion of your score, and one late payment can stay on your report for seven years. Even a single slip-up can cause your score to drop by 50 points or more. Setting up automatic payments or calendar reminders can help you avoid this common mistake.

Another key step is to keep your credit card balances low relative to your limits. This is called your credit utilization ratio, and it’s the second biggest factor in your score. Aim to use no more than 30 percent of any card’s limit, and ideally much less. If you have high balances, try to pay them down aggressively, starting with the cards that have the highest interest rates. Avoid closing old credit card accounts, even if you no longer use them, because they add to your total available credit and increase the length of your credit history. Both of those things help your score.

You should also check your credit report for errors at least once a year. Studies have found that a surprising number of reports contain mistakes, like accounts that aren’t yours or payments that were reported as late when they weren’t. You can get a free copy of your report from each of the three major bureaus at AnnualCreditReport.com. If you find an error, dispute it online. Correcting a mistake can boost your score quickly, sometimes within a month or two.

Don’t assume you’re too old to benefit from good credit. The truth is that your credit score follows you well into retirement and beyond. It affects your monthly bills, your ability to move, and even your peace of mind. By keeping your score healthy now, you’re giving yourself more options and more financial freedom in the years to come. A little attention to your credit today can pay off for a very long time.