It is always important to enter all information from tax
documents into TurboTax properly.
A 1098-T is generated by an eligible educational institution
which sends one copy to the student, and another to the IRS. The 1098-T
contains information that might result in a credit for you, but it might also
prompt TurboTax to alert you as to a possible tax liability for you or your
dependent. Inputting data from the
1098-T, along with completing corresponding interview questions, will allow the
TurboTax program to process your information correctly.
In your case, after entering the 1098-T, enter the payments made through the GI Bill.
(see screen shot)
If the result is that the GI Bill and the education expenses zero out, there will be no credit and no tax liability.