Chuckster,
Welcome. With the health issues you both have, perhaps you should look at something a little less strenuous to set up and tear down? We lived for over 12 years in a fifth wheel. Granted the space was nice, but bending down, reaching up, pulling and pushing to get connected and the size of the rigs made set up and tear down days a pain. When we decided to go on the road we looked at the Class A motor home. I won't get into the discussion of Toad vs Tow Vehicle. But for us a TOAD was a cheaper option. Our class A has a simple set up. If we don't want to connect to power when we get in, we run our generator. We carry plenty of water, house batteries will last for days and it levels automatically. We have been places where we didn't even disconnect the car for several days.
Oh, I have 8 heart stints, 3 heart attacks and the wife has her share of issues as well. Neither of us are on disability, but I am retired military and took early SS when I got laid off and unemployment ran out. We now travel around the country and LOVE IT.
Best of luck,