Behind my motorhomes, I have pulled enclosed race trailer, open show car trailer & flat/4 tires down. The best, IMHO & everyone is different, is 4 down. The trailer is such a pain to deal with finding a campsite, getting fuel, stopping en-route and driving in traffic. The shorter & lighter the tow the better. I still use the open show car trailer when taking the Jeep rock climbing or hauling Jeep & dirt bike at the same time. The times I do use the trailer, I am boondocking so campsite is not an issue. Everything else is still a problem!
rocmoc n AZ/Mexico