57 and DW is 55 (please don't tell her i said that).
The 3 steps don't interfere with our use. The 102" width, tall bath and bedroom, and ample interior storage was a huge plus for us.
If health such as hips, knees etc are a problem, a travel trailer or motorhome should be on the short list as less steps overall.
Mule: 2016 RAM Mega Cab Dually 6X6, RAM Puck w/ Demco Hijacker 21K Autoslide, Laramie, 6.7, Aisin, 4.10's, Loaded.
Wagon: 2015 Jayco Pinnacle 38FLSA, Sailun G's, Center Point Air Ride, 572 watts Solar.