I'm paraphrasing another member who said this here years ago: for every source of scrap you can't take, there will be 3 you can.
I stopped at a local pharmacy today, and while there I enquired about an old small refrigerator ourside the back of the building that looks like it's being disposed of. I wasn't allowed to take it, but on the way home I found a dishwasher on the side of the road and grabbed it. It's worth about the same value as scrap.