I think a teardrop trailer with a good suspension would do the job.
Building a trailer this winter. I got the plans off the Teardrops & Tiny Travel Trailers forum, and made a ton of mods to the "Winter Warrior" design. I am building for off-road use, with 3500# axle and 16" wheels that match my Yukon tow vehicle.
My brother bought a teardrop made by Little Guy ( www.golittleguy.com) and he loves it. I did a lot of the mods to it to get it to where he wanted it (still not done.) I thought about building one for myself, but since then I think I’m swinging more to a van-camper for it’s ease of use and ability to be quickly moved about.
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