We use one as a storage building for my church. I’ve been thinking of buying one and hiding it on some land as “hunting cabin”.
I know a guy up north that has 3 put together that he originally planned as a hunting cabin but now lives in.
He’s got them up on a foundation with a 4 foot deep crawl space with a concrete floor under it. He built a small pole barn around it, sided it and made himself a nice little house. I think its 20x24.
He says he’d like to try an A frame with 4 containers. 3 on the bottom and 1 on the top.