If your RV is considered as your main or second home ( including kitchen and toilet), you can deduct the mortgage interest paid :
In TurboTax online,
- After sign-in and select Pick up where you left off
- At the right upper corner, in the search box, type in 1098and Enter
- Select the 1st choice on the search results - Jump to 1098 and follow the prompts to enter the amount.
