12 tax audit red flags

To avoid catching the attention of the IRS, beware of these tax audit red flags.

Your return has too many zeroes

taxes red flags round thousand

While rounding numbers on your tax return to the nearest dollar is okay, rounding to the nearest thousand is not -- especially when itemizing deductions like business expenses, unreimbursed employee expenses and job hunting costs.

If you submit figures like $5,000 in auto costs, $2,000 in gas mileage and $4,000 in lodging, it may look like you pulled those numbers out of thin air or inflated them by rounding -- since it's unlikely that every single expense was a perfect multiple of $1,000.

Related: 3 ways to lower your tax bill

"Having a return with a lot of zeroes on it may be a cause for a return to be pulled," said Lieberman.

Have you had a nightmare experience with your taxes? From tax preparer mistakes to audits -- or worse, e-mail blake.ellis@turner.com to share your story.

Illustrations by Kacy Belew
  @blakeellis3 - Last updated March 21 2013 12:52 PM ET