Many people fill the wrong Social Security numbers. This is a very common mistake so do not feel bad about but make sure you do not do it. One of the worst things you can do is to fill in the incorrect forms and schedules.
The IRS will be angry as a bee when they get the wrong forms and maybe they will check all your taxes. A simple thing as sign and put the date will make the IRS send the paper back to you and you risk having to pay late fees.
Many people just keep their bills and receipt in a big box and maybe even worse they throw them away before they do the returns. Look at the Clintons they made 10 million dollar giving money to their private origination. Now where did you put the save the Tigers donations?