I think it all depends on what you're looking for, and your definition regarding what makes a dealer a good one. E.g. good quality work, faster turn-around, whatever. For me, a good dealer does does good quality work, and treats the customer with respect and dignity no matter whether they sold the customer his RV or not. However, to me it is understandable that they give line-order preference in certain situations to those to whom they sold the RV. That helps to establish repeat business, as does quality for for all customers. As for a dealer that is "hard to work with," I would rule them out each and every time.