CA state tax underpayment penalty (form 5805) computes 110% of last year's tax due wrong (it is same number as 90% of this year's tax due, not by pure luck)! in Get your taxes done using TurboTax
NYS IT-201-V BE CAREFUL!!!! Wrong address for electronic filing and mailed check in Get your taxes done using TurboTax
Warning on unexpected downloads when use TurboTax link to download Adobe Acrobat in Get your taxes done using TurboTax