Each and every person has to file their state as well as federal tax filing before the deadline
. Tax preparation is a simple task for a large number of taxpayers who have easy tax returns 2010. But many have lots of confusion on their mind when they file their tax filing online. You have to sum up the income of all your sources while preparing your tax return. After that, you need to subtract your allowable tax deductions so that you can come up with proper taxable income. Then you can think of deducting eligible credits also.