To say the U.S. tax system is confusing is an understatement, so it's no wonder there are many misconceptions about the rules. The good news is that most people make less than $100,000 in a year and have no income other than their paychecks, so they can fill out the comparatively brief and very direct short form; almost everyone who uses the 1040EZ can fill it out themselves. For everybody else, though, the baffling mysteries of the tax code prevail, and can ultimately cost money. To help unravel some of the perplexities of the system, here are 12 common tax myths debunked. It might save money and sanity when the deadline rolls around.