One thought I had was writing in the lease that I can come by for monthly check ins to monitor the process and make sure he’s cooperating.

Even if its different subs, its still my helper labor that I need to pay each day those parties are there and my overhead to monitor the job in pieces rather than a full blown job.Of importance on the bid is an extremely detailed scope of work and fixed price for the work.

Plus, unless you can closely monitor your tenants, they'll fib about who is living there, or they'll want to argue about how often they take showers lol.  

Who monitors and enforces this?

Water is big difference... that utility is usually paid by landlord , cost to sub meter is very expensive and you'll learn to monitor your bills.. you'll tell if extra person moves in or if you've go a leaky toilet. but good idea is to check meter when no one is around and see if the spinner is still, if no you've got a drip, or leaky toilet, so put up notices and inspect.

Amazon, Microsoft, Boeing plus many other major companies are creating so much growth, I would love to monitor locations this year).

My elicited experience tells me to keep things at status quo for now and monitor the rental market.I look forward to any updates you provide.

I told him face-to-face in no uncertain terms to stay off my property and I was prepared to involve authorities if necessary.As @Marcia Maynard says you will need to be very diligent about monitoring the state of the property.

It has two...an oil monitor (with new filters) and the wood stove (common in the area) She refuses to use the wood stove and says she cant afford to buy oil.I served a 30 day notice which was she claims is invalid as it wasnt signed by me...but for me. 

I have date/gps time stamped photos from before move in and after.