So I have a blast playing with a single household that has a shell building all for themselves (using fence to cover all the space for personal usage). I do plan on slowly turning into a trade center of sorts (claim rabbit holes one by one then have them be replaced by a rabbit hole rug in the penthouse shell). Do you guys have any tips and ideas how I can maybe create some sort of rules and practical use for it? Should I consider moving in slowly tenants with the roommate system?