issue is you have folks that are not licensed and are just running around with no supervision or ethics to follow and this is what you get rude crude behavior and extreme profiteering if they can get away with it. 

I like the wording "dangerous/intimidating behavior".

Airbnb being the most common platform fosters bad guest behavior with arbitrary refunds, and the cycle has perpetuated. 

Wondering if anyone here has managed a commercial refinance while engaged in similar behavior?

The signage also provides a phone number for neighbors to inform on bad behavior or other issues that might arise, providing you an additional pair of eyes.Develop excellent and consistent systems/procedures for handling the routine stuff.

Once the First Look™ countdown clock no longer displays on Day 16, the broker should notify the buyer's agent to resubmit if the property is still available.Resolution Fannie Mae does not tolerate brokers or their agents participating in any sort of fraudulent behavior.

You just have more crime there than other residential neighborhoods because you've got all the bars (alcohol, drunken fights) and a larger percentage of the homeless population which represents a decent portion of the violent crime there.See: Who is to blame for ‘aggressive behavior’ by homeless people downtown?

The threat of them pulling a voucher is sometimes a good check on bad behavior.

Should both PM and tenant feel that this is acceptable behavior?

And I believe based on her behavior that she will be a problem tenant until May 2023.