I appreciate all the help and ideas.
Researching some of the points brought up here it looks like a pole barn is an excellent choice. The property will be someplace in the Rockies and that's why I'm trying to get it at least semi-enclosed.
My 5er is 39 ft long, 12'11 tall, and 8 wide. Looks like there's some options for that if I go 30X50X14. The rest can be used as a shop/storage/whatever.
I sent out a few emails about putting a Horton Stack Door on at least one of the sides with the idea of opening that up for the awning and having access to the the outside.
Since I'll be running power to the land, drilling a well, and putting in a septic system for the house (whenever that's built), I can absorb those costs in the beginning along with the barn.
Looks like the roof will be sturdy enough to support solar panels and rain collection system.
Vented ridges can help with condensation/fumes.
Eave and ridge lights can be installed to allow natural light in.
All of that should be able to reduce the "living in a can" feeling while protecting the RV from the winter elements for 1-3 yrs.
Once I move on to the house, the pole barn can be used to store a skid steer, shop, cars, walkers, or converted into whatever. Great asset to have on a property so it's not money lost.
Am I missing anything?