I've only used it twice so far, both times to sleep two. The quality is good, no problems at all. I love having front and back doors, ideal for having a kitchen set up at the back out of the way.
Two single sims, one down either side gave plenty of room for clothes bags above heads and a toilet and storage box at the bottom end.
Fantastic space for one, ample for two, three would be cosy but possible.
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