Would you be upset, should I be?

There are a few shows that I vend at and have for years. It's the same at every event. When I (and others) pull in the gate pulling my 7x14 enclosed trailer, the locust or buzzards come a running, just so they can get first shot and try and low ball the hell out of you. I just park the trailer and leave it locked up. I'm usually there early and can wait them out.