TP was in the car racing business about 10 years. Bought a motorhome to pull trailer that housed race car. Mh was on depreciation as 10 year property. Into seven years TP got out or racing and sold everything 2 years ago except the mh. The past two years mh was treated as a second home for the mortgage deduction. TP sold mh for a lot less then what his after depreciation basis was. Is loss somehow deductible or is he barking up wrong tree. Some have said prorate based upon time as sec 1245 and second home. What do you think? Many thanks.