Some of the best ones I know started as flippers or also flip themselves and/or have rentals so they understand the risks to buyers and all the aspects that go into it and aren't just locking up deals and renegotiating sellers. 

.- Easy Check-In: We set up smart locks and clear instructions to make check-in as simple as possible.8.

The seller actually paid less in fees to sell the property off-market. (6% of $2.8 million would be $168k) He also got a quick and easy sale, and the buyer locked in a solid discount on the deal as it had recently appraised at $3.75 million What was the outcome?

I would think a detection device would be easy to fool or disable, and difficult to prove in court.I would focus on inspections and look for the following evidence, then document with pictures, written warnings, demands of cleaning/repairs, and follow-up inspections.

I still have the 20% discount on paint (thanks to the agreement: "BIGGER"), but am locked out of Elite. 

I would recommend you shop around, but since rates have skyrocketed the past 3 weeks, you are unlikely to find a better deal than what you locked your rate at in with your current lender. 

Possibly locks, ensuring all the windows are closed, putting up no trespassing signs.

I was so locked in on the cashout refinance portion of the BRRRR and kind of brushed off the part of what if I do actually have to sell, which I am in now.

I am replacing the balances and pivot shoe locks. 

So you need to lock in Low rent at or under $12/sq foot if you want to survive in the coin laundry world.