This will alert the owner that he/she is being fined and he/she will most likely take action to prevent multiple fines.

I’m active duty Air Force and used my VA loan benefit to buy three houses. 

The ADU does not have a private entrance; you enter on the side of the SFH and they both share the same back yard.It is at the top of our budget already and needs potential mini-split HVAC added to it to bring highest Air Bnb value.

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?