I was at the Minneapolis RV show this weekend and no accessary venders at all to speak of. One dealer I spoke to complained of the lack of acc venders also. His take was that the lack of venders turned people that already owned a rv off from coming to the shows. He felt every person through the door was a potential customer even if not for this year but somewhere down the road. He felt exposing his dealership and rv's hopefully meant that when they were ready they would remember him and call or visit his dealership.
