I would not be surprised if the guy had found that "tip" in some sort of how-to-promote-yourself advice. Lurk at the licensing office & offer services. Not sure how thrilled the office would be, however.
I knew someone who was into a multi-level-marketing program. On advice of his program, he'd hang out in bookstores, at the self-help section. "Say, I see you are looking at career books. Let me tell you about a great opportunity…"