Try something, monitor the results, try tweaking it, monitor again, and repeat.I hope this helps.

Then can't I get a mold monitor to see if my mold interventions worked or not? 

Also of course cams (*outdoor only), decibel monitoring devices, red flag policies for reservationists, ID requirements.. there are many mitigation measures that can be taken if you have the infrastructure for it, so parties just stop happening altogether.

As soon as you like, lender can't monitor or control when you move out. 

Over the next few years, in my opinion, wholesaling with be inclusive an monitored by each states commision.

And in monitoring multifamily sales, it seems properties are going under contract within days of being listed with multiple offers being a common scenario.

If the latter, how do you monitor?

We've been monitoring its progress as we walk by with our dogs on a daily basis.https://www.redfin.com/CA/Los-Angeles/890-S-Bronson-Ave-90005/home/6917421

Check though, to see if it can be substituted with a monitored fire alarm system.  

I was able to purchase my 1st and only property Dec 2017, which I've been house hacking with my daughter while my 2 rented rooms covers PITI, all utilities, home owners insurance, internet, Adt full package monitoring, Netflix, etc, plus leaves me about $100 monthly.