I would advertise it on RVTrader.com and here in the IRV2 Classifieds! RVTrader has a great site that makes is easy for someone to search for just what they are looking for. You can pay $75 and they will run the ad for one year and allow you 50 photos!
I would make one other suggestion. Specify in your ad that you will only accept a direct transfer of funds between their bank and yours, NO EXCEPTIONS! That's the only totally safe way there is!
Good luck, happy trails, and God bless!

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Joe & Annette
Sometimes I sits and thinks, sometimes I just sits.....
2002 Monaco Windsor 40PBT, 2013 Honda CRV AWD