I know these things aren't exactly fuel efficient or bought for that purpose but what sort of mileage are you guys getting with the camper on and is your rig gas or diesel?
Me and camper buddy each filled up in oregon at the same filling station. Followed each other down south into Nevada. Filling up again at the same place down there, using the same diesel pump, we both saw the nozzle click off within 35 cents of each other. He had Duramax..... I had Cummins. He he