Thank you for all the helpful advice. I agree with everyone here that the initial camper we were looking at would be too large for my TV.
Unfortunately, that is the danger of listening to a poorly informed salesperson! After having to explain to him that I would be really pushing the limits of my payload capacity (and him arguing with me that I would be fine because I have a towing capacity of 8,700), he called back saying he talked to one of their mechanics and the mechanic agreed that is was way too much for my TV. Lol, I won't be going back to this sales guy.
Anyways, we are now looking at a 23 footer that weights 3,900 with a 418 hitch weight. Much smaller than we had initially looked at but it will work just fine and we'll be safe pulling it. Correct?
Thanks again for everyone's help!