We generally get it from truck drivers, since you can't see behind our fence, but they get behind the fence to pick up cars. Luckily we are down a dead end street with a police station across the street, so no one goes behind that fence after hours. I get stopped by the cops late at night, one time three times in the span of an hour.
The truck drivers usually say, "I can have someone here in an hour who will buy this whole place" and they always get mad when I say they can't take pics. Also when I tell them whomever they are about to call will be real pissed when you tell them where you are and all prices are high retail, no long lost stash here. The guy on the other end of the phone always knows about "that guy Adam"...
When they asked for my phone number, I tell them to call the number at the bottom of the poster.