Retirement tax questions

#2:  You only enter those contributions as a part of your W-2 form.

If you re-entered the contributions as IRA/RothIRA Contributions on the Deductions&Credits page....you need to go take them out of there.  a 401k is NOT an IRA.  a ROTH 401k is NOT a ROTH IRA.
____________*Answers are correct to the best of my knowledge when posted, but should not be considered to be legal or official tax advice.*