@Kim J. Interesting story! I hope this does not come off disrespectful, just trying to be straight forward.
You abandoned your air BnB business model by agreeing to rent to them which now gives them renter rights that are larger than air BnB customers. This means they can move furniture in without asking you, change things around they don’t like etc.
Now, changing things around like removing a bidet or painting would affect their security deposit, but you didn’t sign a lease with them so how do they know the rules? Did you get a deposit? Never rent without a executed lease that clearly defines expectations. In this case you should have done month to month anyway.
Even without a written lease, if you verbally agreed to a lease term that they are documented, or they have texts, or they have emails where you agreed to terms, you could still be held to the fire of those terms by a court.
Why do they have your electricians number? Why is he doing work without your approval? Why are they interacting with your cleaning lady if they are renting? Your not cleaning their unit for them are you?
They can not disable your camera system and I would charge them back for the cost to repair.
Personally, sounds like a bad relationship to start and I would cut ties. Give 30-day notice that your terminating the verbal month to month lease and move on.
However, sounds like your upset they were creative. Rented from you for less than what they were paying at their house and then started renting their house out to make additional income. Don’t be too mad that they made a decent business decision from what it sounds. Just don’t give any trade secrets....
I’m still confused why them listing under your account benefits them. I don’t believe that and I think it sounds like a control thing, to be honest. If your market is that small without that many options, there would be no need for them to ride your coat tails. It would be irresponsible for them to allow you to control the advertisement and bookings for their site unless you guys had a clear written agreement on how that would happen.
You can smack me around or yell at me if I’m off base, but here is why I think this is more of a control thing for you.......if I read correctly you stated you have this air BnB property and the town is to small for more properties. That makes me assume you may not have a bunch of properties. If my assumption is correct that means the electrician is not working full time for you and is a 3rd party contractor. So why is he “your” electrician, why can’t he be “their” electrician also? I just think I’m missing something here with the story