If the appearance of being in an LLC prevents one law suit it is well worth the cost but it may not ever prevent a law suit. 

I lease to some Air BnB'ers.

Adequate heating is essential for comfort and to prevent moisture-related issues.3.

Make sure you have a detailed scope of work signed by the contractor to prevent disputes.

I would also consider the possibility of raising the property as well to prevent further flood damage. 

These are places that would never be painted, and the stinky salts in the urine are still active due to the humidity in the air.  

How are they incentivized to prevent move-outs? 

I'm not trying to prevent him from making money as much money as he can, but something seems off with such an arrangement, that primarily results in him effectively keeping 67.5% on most deals.

These forms provide a written confirmation of the terms of the oral rental agreement and help prevent misunderstandings or disputes down the line.By having tenants sign estoppel forms, you can verify important details such as rental amounts, deposit amounts, and any additional agreements or responsibilities.

A lot of Delta Air Lines employees opt to live south of the city for easy access & less traffic to reach the airport.