Why doesn't turbotax reconginize the 110% safe harbor for the calculation of under payment penalty? in Get your taxes done using TurboTax
Turbo Tax for 2 years in a row has miscalcuated my Ohio underpayment penalty in Get your taxes done using TurboTax
Where do I input short-term capital gains/losses in the underpayment penalty section of other tax situations? in Investors & landlords
Can Tax Withholdings on Retirement Distributions Keep Me From Having to File Quarterly Estimates? in Get your taxes done using TurboTax