I suspect he's already found out. It would be fun to be able to look at his before and after sales figures.
Camping World just went public last year. Their sales are approximately $3.5 billion annually over 120 locations in 36 states. Their major competitors are: General RV Center, Cruise America and Lazy Days.
http://www.hoovers.com/company-information/cs/competition.Camping_World_Inc.91f0b9745b505b5e.html