There is no grandfathered clauses when it comes to safety, egress and fire codes.

I’m currently building a team to work with me on house flips and rentals, and I wouldn’t want this land I want for mostly personal use to mess with those goals.Some initial ideas on adding value to the property: -build a pond w/dock, add a food plot, maybe a small cabin to attract hunters/outdoorsmen-fence some or all of the area to make a small profit (enough to cover property taxes?)

Is any of the space livable...can you put a person in a unit while renovating at a discount that would automatically increase after renovation...can you get a master lease that would lease all your units at one time regardless of people living in the units or not...Food for thought! 

You can register for it here https://www.stpaul.gov/departments/safety-inspections/fire-inspections/landlord-101~Tim

Maybe they might move out after their year-long lease, but all that Starbucks and vegan food costs money!

Just some food for thought. 

They talk , leave messes , eat your food , bring over people you dont like   etc 

Cameras are a great deterrent and will help you catch someone if they try something.I would be concerned about safety of my tenants and liability when I rent that home to someone else.

It gave a lot of food for thought.

Definitely some more food for thought.