It is a privately owned business and your behavior is completely out of line.

Most of these courses are so seductive, Farrell says, because they operate according to a tried-and-true principle of behavioral psychology called the variable ratio reinforcement schedule.

A Sign Permit is required any time a business wants to display signage or hold an event that includes advertising visible from the public right-of-way.Sign Permits are required for: Permanent signsGround and tract identification signsSigns erected on parapet wallsAwning signs (doc) (pdf)Signs in shopping centers or at multi-tenant buildingsInternally illuminated signsSpecial events signsAnyone who erects a sign without a permit will be charged double the normal permit fee, will be required to correct any violations of City Code Chapter 10 Section 2083, and may have to remove the sign.

After a heady experience of that kind, normally sensible people drift into behavior akin to that of Cinderella at the ball.

Most behavioral experts suggest that the average equity investor buys and sells at the wrong times.

I have put a boosted posting on my LLC's facebook page that we "anticipate a rare vacancy" and to keep watching for updates.You are not going to change your current tenant's behavior.  

Wasn't for sure it was a "boss" but usually that person seemed more senior in tone and behavior but knew less about the house.

A few of them are lazy, but I don't see (or hear of any) any unscrupulous behavior here upstate. 

@Scott Trench I would stay completely out of this going forward if you can avoid it and politely tell the neighbor that you have spoken to your tenant and advised him that his behavior is inappropriate. 

The best guide to future behavior is past behavior.