Kind of. You don't have to worry about foundations, or sewer lines or frost heaves or masonry. So there are advantages.

But I mean, just look what a nice one is like inside.

Something like this one (Which I've actually been in)

https://www.youtube.com/watch?v=xJ9TscDfHMQ

More like an old Winnebago that wasn't built to a price point (which is both good and bad)