If just the title of this post is giving you heart palpitations, take a deep breath. Only about 0.45% of tax returns were audited in 2019. Your chances are very low that you will receive a letter from the IRS. Still, there are a few red flags that could prompt the IRS to take a second look at your tax return, and it’s important to know what they are—because forewarned is forearmed.

Should you file now or wait until July 15 to file your taxes?