Tks, @TaxGuyBill ! That may be it: in 2017 I got no rent for 6 months, 3 of which I used to work on the house (which I think I listed as personal use).[Aha, I h...

Was there a change from 2016 to 2017? My rental-property expenses exceeded rental income (by say $10,000) both years. My income in 2017 is less than in 2016 (un...