Under the U.S. tax code, RV buyers can deduct the interest on certain loans used to purchase RVs as a mortgage on a second home. RVs qualify for a second home mortgage interest deduction because they are a popular weekend and vacation 'home' for middle-class Americans. The interest would be claimed under Deductions & Credits on the Federal return > then scroll to Mortgage Interest and Refinancing (Form 1098) and click on Edit/Add > then click Add a 1098 > add the 1098 information. To manually enter the 1098 click on the box "Change how I enter my form".
