And this is why I'm trying to take the necessary steps to correct this poor behavior and joining this platform to get some input/knowledge/guidance/advice.

They are really starting to crack down on these types of behaviors.

No complaints from neighbors about any loud noise or erratic behavior or anything.

We feel this encourages/trains good payment behavior:)We have several MoveIn Specials owners can approve like, free TV, Washer or Dryer (used), etc.Our main goal with MoveIn Specials is to stand out from our competition. - Just lowering the rent really doesn't do that.

I look for behavior tell tale signs. 

However, a lot of concerns can be mitigated with looking at their past rental behavior in a lot of different settings.

However, a lot of concerns can be mitigated with looking at their past rental behavior in a lot of different settings.

Will they "check themselves" from bad behavior when they see a professional company with professional services, legally reviewed lease, etc. managing their day-to-day?

Matt--what actions/behaviors did you observe that caused your "spidey-sense" to tingle on this prospective tenant?

He has a long history of scuzzy behavior and doing bad deals in NYC, not paying his contractors, etc.