Whether you enter any information about these expenses in the itemized deduction section depends on how you entered them in the rental property section.
In the rental property section, you get the option of entering the total of each expense, such as mortgage interest, and then Turbo Tax will allocate the remaining amount as an itemized deduction. If you chose this option, then you would not make any entries in the itemized deductions section. Also, you wont actually see any amounts in the itemized deductions section. They would only be included in the total itemized deductions on your Form 1040.
The second option is that you can enter only the amount of the expense that is rent related and then you would need to add the remaining amount in the itemized deductions section.
To review your entries in the rental property section of Turbo Tax:
In this situation, when Turbox tax uses the word "rental property", is it referring to the one unit for rental or both units, including the one I live in?
Term "Rental Property" is referring to the property that you are actually renting to someone else that generated income.
However, keep in mind when working through the steps to enter expenses for the "Rental Property," once you arrive at the screen: "let us calculate your expenses deductions for you".
There are two options on this screen: