Towing a raft trailer with another trailer

I am looking to buy a small RV trailer for our family during the summers. We have a new baby and my wife wants A/C for the desert trips. I don't think I would pull the raft trailer often, but on occasion it would be nice. I would go straight from home to a campsite, drop the RV then use the truck to drive the raft trailer around. Is anyone else doing this? What should I look for in an RV trailer? I want a small RV, but most of the small ones only have a single axle, will this be a...

Towing a raft trailer with another trailer