Inadvertant late filing (half an hour late)? And how do I know if the e-file via TurboTax went through? in After you file
E-file electronic filing deadline with extension if I'm getting a refund? Can I e-file past midnight tonight (like a couple days)? in Get your taxes done using TurboTax
How do I change the amount I pay to the state when I file my taxes? in Get your taxes done using TurboTax