As noted, the advice given to your question can get overwhelming. I certainly agree with the suggestion to rent an RV to get an idea of what might best serve your needs.
I also agree that carefully shopping for a well cared for used coach is a great ideal. The three class A's we've bought were used and have served us well. With any of these things, it pays to be handy with tools and be able and willing to do at least minor repairs.... just like with a stick house.
Where in VA are you? We are in Bedford County on Smith Mountain Lake. If we were possibly close, I would be happy to meet you and give you some tips, hints, or otherwise share the mistakes I've made lessons learned.