My immediate area, 5200 people, has 3 outdoor self storage and 1 new climate controlled.

This implies residential units can be built at lower costs and provide better return. 11) adding an ADU to SFH can make the SFH fall under rent control.

Because of the smell from his unit and general hygiene, we also lost a tenant who didn’t want to live next to him anymore.

If a storm damages the roof before you begin, but a new roof was in the budget, you've lost nothing.  

We also run numbers to avoid lost money on blindly paying for an appraisal to find out its a dead deal or of no benefit.

Originally posted by Matthew Paul:In my second house I had roommates , I had 2 thermostats , 1 in my bedroom that controlled the HVAC , another in the living room that wasn't hooked to anything just for the roommates to adjust .

Is there any legal action one can take or is it just a lost cause?

I'm in a beach area where Sat to Sat rentals have been traditional for 100 years, but not any longer since the rise of Airbnb (and less control by local property management companies).

Looking at a multifamily in NJ that is currently rent-controlled.

Instead, they bought homes and lost money, then acquired Open Door and lost money.