I would go the consignment route. Places like PPL, do a thorough inspection, detail, they advertise, have a service department, etc. They do all the paperwork and have the knowledge of how to sell RVs. Not knocking Facebook or Craigslist, but you will have to do the title transfer, payoff, etc.
2018 Hurricane 29M
CHF, Saf-T-Plus, SumoSprings