One of the tenants heard my dad and I on the porch and literally invited us in to check out her apartment - we saw that it wasn't a wreck and it gave me an idea as to the condition of the other units. 

If he is still active duty, you can easily call his command and let them know htat he wreck your house and owes you money.

The pandemic has wrecked the income of certain assets including hotels, nursing homes and certain retail real estate.

Your tenant goes in and wrecks the house, steals everything out of it and sells it, and then squats in the home until you evict him.

Our governor is a train wreck.

There's always a hospital visit or wreck or death that causes them to not be able to pay. 

That way, you can just give 30 days notice to end a tenancy, as well as 30 days notice to change any rules, etc.The things that usually wreck roommate situations is unwanted guests, not cleaning up after themselves, messing with thermostats, stealing food.Some of those things can be pretty easily dealt with - like including a weekly cleaning service in the rent, putting little apartment fridges in the rooms.But, inevitably, there will be a roommate who you will want to get rid of, so having month to month agreements is the easiest way to get rid of them.  

I would say no for 2 reasons:1) she might want to make it into a grow room, which will wreck your unit - the humidity and potential water on the floor, plus the smell, etc., will possibly do major damage; and2) tenants who start wanting to change things are never-ending high maintenance tenants and you're better if they leave. 

That said the home is really a wreck (30 yrs as a rehabber/contractor/investor I am).

Tenants wreck the house and need a major renovation?