A lot of companies are engaged in such services. One of them is the Motor Home Specialist company, which I know firsthand. Four years ago, I realized the dream of my whole life - I bought a really small mobile home and it still serves me faithfully. A very good company with very good employees. If you don't believe me, then I advise you to read
https://motor-home-specialist.pissedcon ... eview.html And you will see that I was right.