I cover my 36' Keystone. It takes me about 30 minutes. Using a 12' step ladder to get on the roof makes it easier, but it's still tough to get that big cover up there. If I had a roof over mine, I'd likely not cover it as often.
2005 Ford Excursion Diesel 4X4 with Roadmaster Active Suspension, F350 1 3/16" rear sway bar, Bilstein shocks & steering damper.
2012 Sprinter 311BHS