I used to weigh in Ally cans and some non-ferrous scrap, often enough that I had an a/c with my preferred scrappy (newspaper went to a paper mill). When the first changes to do with waste management regs came in, and the prices went down, I gave up.
One local scrappy will not pay you in cash, only by BACS, and has loads of recording CCTV. I have a feeling that he had to do all of this to comply with regulations and keep the feds off his back.
Because there had been a real spate of *******ds nicking memorial plaques out of cemeteries and off war memorials.