There are only two nearly sure-fire ways to reduce your chances of getting audited by the IRS: keep your taxes simple, and don't make a lot of money.
Rich people don't have that choice, of course.
People making $1 million or more were nine-times more likely to get audited in 2012 than those who make $200,000 or less, according to the Internal Revenue Service. The audit rate for people making $10 million was 24 percent in 2012, meaning that nearly one-in-four of America's superearners were audited.
Audit rates for the wealthy have gone up dramatically since 2009, when the IRS set up a special investigative team—called the Global High Wealth Group—to target wealthy tax cheats. Those $10 million-plus earners are now nearly three-times more likely to be audited than they were in 2009.
Read MoreYour taxes are still paying for this?
It's hard to argue with the IRS' "Willie Sutton" strategy. By going where the money is, the agency is recovering tens of billions of dollars in additional taxes.