I have a gypsy caravan campsite, they are fully functional. I also have some tiny homes but they are not shaped like a rectangular mobile home.
https://i.imgur.com/2Uya75t.png
https://i.imgur.com/ZL3taw0.png
Gallery links to some of my tiny homes. The caravans are not on the gallery, but if you want them I could upload them.
https://www.ea.com/en-gb/games/the-sims/the-sims-4/pc/gallery/F941FB9B796811EB8801CACBBEC83282?category=lots&searchtype=ea_origin_id&sortby=downloads&time=all&searchquery=crocobaura&max=50&maxis=false
https://www.ea.com/en-gb/games/the-sims/the-sims-4/pc/gallery/3F06BC6F73F711EB8C22FCAA752B5B46?category=lots&searchtype=ea_origin_id&sortby=downloads&time=all&searchquery=crocobaura&max=50&maxis=false
https://www.ea.com/en-gb/games/the-sims/the-sims-4/pc/gallery/ADA29E4D796311EB8857CACBBEC83282?category=lots&searchtype=ea_origin_id&sortby=downloads&time=all&searchquery=crocobaura&max=50&maxis=false
https://www.ea.com/en-gb/games/the-sims/the-sims-4/pc/gallery/B1A40511674311EB8836633A273E99A7?category=lots&searchtype=ea_origin_id&sortby=downloads&time=all&searchquery=crocobaura&max=50&maxis=false
