same thing has happened to me several times - including a total failure to file AMT when I really needed to. I screw up, IRS sends me a letter saying 'you screw

same thing has happened to me several times - including a total failure to file AMT when I really needed to. I screw up, IRS sends me a letter saying 'you screwed up, if you just send in X we're good'. Sometime they even send me a letter saying 'you screwed up, here's a bigger return than you asked for'.