If you come across this situation make sure to talk to local attorney so that you understand your responsibilities in your location.The animal is destructive to the property or displays threatening behaviors that could put other tenants or yourself at risk.The size or nature of the animal makes it impossible to house safely our humanely.

exp is really trying to stop this kind of behavior! 

Since it doesn't sound like you're trying to catch any lease-violation behavior I'd give more notice than the minimum.  

Also be aware that being a European company they appear to be unaware of potential shady behavior in the US.

They can recognize patterns of behavior that may indicate dishonesty, such as frequent changes in contact information, suspicious rental history gaps, or an unusual number of co-signers.

I’m trying to understand the mentality and the thought process that would explain the current buyers behavior.  

The answer lies in the psychology of real estate buying, a fascinating aspect of the housing market that can shed light on our behaviors as buyers.The Emotional ConnectionWhen it comes to buying a home, emotions often play a significant role.People form emotional connections with properties that go beyond their practicality.It's not just about square footage and the number of bedrooms; it's about envisioning a life in that space.

Don't wait an entire year to discover bad behavior!

Furthermore, you can ask for references that can speak to the pet's behavior.

Maybe send them out a curtesy notification about the charge and explain that, that's the policy.Want to change the behavior?