On a side note, I would strongly encourage better screening process to prevent this in the future. 

Let them carry the cost of having an attorney on retainer, since the liability falls on them to prevent any lawsuits from occurring in your rental.

Turn off any unnecessary notifications on your phone...in fact, go for long periods of time without even having your phone near you.

I have 4 properties, does putting them in an LLC and having Children as members in the LLC prevent them paying inheritance taxes since properties are a business and children are members in the business.

Generally speaking, the amount of equity doesn't prevent you from turning it into a rental.

Since you have had the property for 2 years now without a tenant, I would get the tenant in place so you can stop paying unnecessary holding costs.

Your W-2 job prevents you from owning or financing real estate?

Not your business.In general, California State law prevents landlords from prohibiting or restricting a provider's child care operations.

Cheap and easy to put in your air handler plus it prevents mold around your supply vents.

I still think its overly complex and unnecessary.