He seemed to be a courteous fellow having taken the time to bust out one of our windows so the smoke from his blunts wouldn't disturb the paying tenants.

However, you've got a lease that goes into 2023, and you should just tell them that if there's going to be any disturbance, noise problems, etc. they can't both stay, but they need to work it out between themselves who stays.

The owners just don't want to disturb the tenants 

If you don't have a non-smoking clause, you may want to cite one pertaining to bothering/disturbing neighbors.

Now, what I see happening here in Indiana just disturbs me.

We don’t want to disturb our good tenants, but recognize the need for inspections.

What is most disturbing is that Jay doesn’t argue that he owes; he just doesn’t pay until you chase him for them.

I'm so sorry for disturbing and coming this way;I really want to gain the experience.Also, if you're contemplating expanding your business using the Arbitrage model but need guidance, I am here to assist.

People are only paying appraised price for properties so sellers are simply finding someone off market to pay appraisal price and not have to show the properties at open houses and disturb the tenants. 

I'm not in commercial real estate (although I've definitely thought about it), this is all from my observations as a former resident and landlord.So... there are quite a lot of attractive properties that I've seen, but a disturbing number of them are partially or even mostly vacant.