I wouldn’t over-complicate a roommate situation and typically if they are normal human beings, they will be ok sharing responsibilities for shared items like cleaning products, toilet paper, etc and you can split those costs like adults.

Every successful person in business, we leverage human power, doing what we do best and hire the best to do the rest.   

please save all the negative comments, alot of people can say this and say that, but how many people are really actually  doing it though.This is my first rodeo, i may have made a few mistakes along the way, but were all human.  

They are human beings..

At the end of the day, we’re all humans and need each other.

Obviously.It is simple human psychology.

They can get in your walls, baseboards, etc and cause havoc once humans move back in.

The gullibility of humans is staggering.

Also, you can manipulate charts and graphs to "show" anything you like because they are visual and we are merely human.

I learned a lot about the human condition while researching for the book.