Good info. here guys. I haven't had to do too much door knocking yet, as I'm still mostly working on relatives' and friends' yards, but I've been eyeballing a few places lately. I did stop last fall at an old home that was turned into a fancy boutique and figured it would be a flat out no as it was very ritzy. Surprisingly I not only got a yes, but also a location of an engagement ring that was tossed by a jaded suitor after a declined proposal!! I haven't made it out to that location yet, but I will!! I also approached a one room school house from the mid-late 1800's that had been converted into a small rural financial business. I was given the ok to detect, but only after agreeing to give up everything I found. I wanted the experience so I agreed. I went out and found an old pocket knife and a wheatie or two. The business was closed so I left them on the patio by the front entry. I returned a few days later only to see the items still there, which kinda made me mad, so I asked the owner about them. He told me that he wanted to see if I was really interested in finding the stuff more than keeping it, and then told me that I could keep everything, but expected a 50/50 split on anything over $50. Over the next few hunts I found one Indian, two or three old barlow style knives, an old broach, and a few wheaties. It is cool to see how much interest people have in detecting once you show up and start digging. With the SE I have hopes to punch down a bit farther and pull out some more silver at these sites....