Cleaning pay for your cleaners is going to be a big one, as well as supplies such as toilet paper and soap can add up too.

Toilet paper, paper towels, bath soap, dish soap, laundry detergent, those scrubby things for dishes, dishwasher detergent. 

@Ryan Schrope You want to plant a tree and grow roots before even considering REI.

Important to recognize the root issue so you can better avoid it in the future.

Time to listen to the crew you hired and sort out the root problem. 

I’m an out of state investor with family roots in upstate.

This is the root of most electrical fires.- Even if you don't replace the panel board.

Wanting to root my RE adventure here in a serious way, and the best way possible.

Removing their personalization may weaken their roots, but may be appropriate if what they are doing is offensive versus just different taste.

For example spell out what will happen if one person does not keep common areas clean, I would say that its up to the tenants to work it out amongst themselves.Also who will buy soap, toilet paper ext..