The communal fees and potential HOAs in oslo plus insurance and not to mention your mortgage P and I.

How do I go about charging the tenants who are leaving for cleaning and work done to communal areas?

The testing should have also been done in any communal areas and outside of the contaminated unit.  

Lately I've been hearing buzz on shared housing communities where it's a combo of tiny houses and larger communal kitchen and rec.

To me, it seems like you are talking about is more of a communal living/roommate situation, which is not uncommon in the Denver area and I had looked into pretty extensively.

For what it's worth, not all human civilizations have had personal ownership of land -- some have had a communal ownership, or partial communal control (ie the village green).

Besides technology wise, I think future communities will be closer nit and communal instead of everyone having their own Isolated McMansion.

Free internet is a given.Luckily I don't have to offer it with my SFHs, though many prospects ask for it; after which I simply refer them to the closest apartment complex.Tenants who like SFHs do NOT like shared walls, and will seldom give up the perceived benefits of their own private home and yard for free communal 'come-ons'.

From the generation that brought us communal living, there's also a growing trend in shared housing, allowing those that appreciate having a nice home, but don't want to live alone or be responsible for the maintenance of a home, to share the expenses and maintenance, etc.

If not, do you offer communal space?