You can Sign Off and come back to your account at any time.  Any information you have already entered is automatically saved as it is entered when using the online editions.  Just remember your User ID and Password.

Click on Sign Off at the bottom left of the online program screen.

Did you e-file with only some of your income?  You are not supposed to e-file W-2's one at a time..they are all supposed to be on the SAME Form 1040.,that you e-file once.  What did you do?

Ugh....Did not catch the "yet should I have waited"