How/where do I enter 1098 info?

[kacicanada]

Where do I use 1098 as a deduction?

[JulieCo]

When you are in TurboTax, enter "1098" in the search field in the upper right corner of the screen.  You will then see an option to "Jump to 1098."  Selecting this will bring you to the screens in TurboTax that deal with the 1098 form.