Unless you are having a very specific custom built RV that would not be easy to sell on a lot I think I would be talking to a different manufacturer. Sorry I can't offer any advise to your question. I certianly understand your concerns.
Dan Sees, , 2013 Winnebago Journey 42e, 2014 Featherlite Car Hauler 3110 17.5', 2008 Mazda MX5,
2008 Toyota FJ Cruiser,2018 mercedes Benz GLA 250