Mistakes happen. And sometimes, no matter how careful you are, those mistakes happen on a federal income tax return. You know what I'm talking about: a transposed number, a missed form, an overlooked ...

Tax Day was just over a month ago which, of course, means that my inbox is now filled with the inevitable panicked emails from taxpayers worried about mistakes. Missed forms 1099. Overlooked ...

So you've filed your tax returns by the deadline and don't want to think about it again. Then a friend tells you about a valuable tax break you didn't know about—and you suddenly remember a few ...