Don't overlook these!
Updated for 2011
Use the safe harbor approach to avoid a penalty.
If you're not sure what approach to take to figure out your estimated taxes (e.g., using your prior year's tax return or starting from scratch) and you just want to be safe, do the following:
Note: Your prior year tax return must have covered a full 12 months.
Estimated Taxes: Due Dates for Estimated Tax Payments; Estimating Taxes When Income is Received Later in the Year
Copyright © 2008-2012 Larry Villano. All rights reserved.