
Filing your own taxes can save money and give you more control over your finances. But do-it-yourself, or DIY, tax filing comes with risks that can lead to costly errors. With tax laws changing and forms getting more complex, even small mistakes can trigger audits, missed refunds, or penalties. Understanding the most common pitfalls helps you file with more confidence. If you’re taking the DIY route this season, keep reading to learn about the seven major mistakes people make—and how to avoid them.