autozone sale

Question of the land purchase?
I was interested in buying acres of land. I have seen many ads on a list of vacant property, but in other countries there is no evidence of sale, but subsequently sold. For example, I have always seen this land whenever you drive to work, and there was no sign of sales for 10 years, but suddenly from nowhere part 1 days were not build an AutoZone development. Please can someone explain how in the Heck AutoZone heard of this "available" land?
May lands were not available. Most franchises do studies to see where we can do more business, then realize that owns and becomes a offer.If is a property you want, you can do the same. Not always work, but I have my last house that way. I left a note on the door saying that I buy it .. A day later they called back with an offer of