planning a major trip across country. and i have a 28' class c, and the toad consists of a dolly and a vibe to be put on the dolly. in traveling so far mainly for extended stays at one spot the toa...
You already have the dolly and toad. Take it. As far as finding gas, you need to stick with bigger gas stations. Perhaps places like flying j, loves, etc. if you were going to one destination and staying there for a period of time, then I would say just rent when you get there.