fern,
You may not like the price quoted but you are being a bit over the top with your comment. As a former shop owner I would not, if still in the business, start a major repair for an out of town or full time mortgaged RV customer with out certain guaranties. No one in the repair business wants to get stuck with filing a lien on a vehicle that is most likely financed in to a negative equity position. Also most states have laws that protect lenders. The state I operated in placed a very limited, I think it was $750.00, liability for repairs on the vehicle lender. So if i am in to a repair for $10,000 and the owner defaults on the loan I get left holding the bag. What the shop owner in this situation is doing is considered good business not fly by night. If it was me in this particular situation I would be getting authorization from the lender, in writing and notarized, before I touched this potential financial nightmare.
Randy