At work, we have a sign on the door; "No Soliciting." When you walk in the front door, there is a desk there. On the desk, another "No Soliciting" sign.
"Sir, we have a no soliciting policy."
"I'm not here to solicit, I'm here to save you money!" (Aflac insurance guy.)
We also get people from auto glass repair shops. They walk through the parking lot, looking for cars with chips and cracks and then come to my office to solicit their services. At least once a week, sometimes more, I have to tell these people that I am not interested in repairing my nickel-sized chip.
It has gotten to the point where I have done this to my vehicle:
Let's see if it works.