The reason to compromise and work the neighbor is so she doesn't take a chain saw and do hack job on her side, which she is entitled to do. 

I also put a gate with heavy chain and big, fat padlock.

Most people say a quitclaim deed is fine but a warranty deed is a smarter option to strengthen the chain of title.Deeding property isn’t too hard.

If they do not pay, I assume the dishwasher runs after every meal.  

The only other competition that does weekly rate Kitchenettes like these around me are about 15 miles away and they are bigger hotel chains that are switching to the weekly rates because of the mass amount of transient traffic in the area due to the boom in the chemical plant business in the area.

Also, aside from Airbnb, you need to pay state Meals and Rentals Tax per booking.

None of my tenants sit together at a table for a meal. 

.  :-(  If you're at a hotel, you are probably not cooking your own meals.  

The one unit had been lived in by the same chain smoker for 25 years!

One tenant blamed me for her bike chain rusting because I don't have storage room for it (she bought the bike after she moved in).