I live in a 15 yo spec sub, and we get a LOT of contractors coming through. Last Friday aft I looked through the peeper and already my warning bells were going off, the "contractor" was off the front porch. As I'm opening the door, his hand is about 7:30 (left side) position. Maybe just an itch, but six months ago would have never even noticed it... I'm carrying loosely concealed and at that point regretting being concealed at all. He give me a quick speal about quoting exterior mods. I quickly said not thank you, closed and locked the door. More I thought about it, the more warning bells kept going off... didn't recognize it at the time, but he had no clip board, no brochures, and no logo'd clothing. Called our Chief today (personally know him), and he wondered why if I had that many warning bells going off, I didn't call them. Also told me that permits are required for door to door sales, which gives them a reason suspicion to stop someone.