Well i have just sold my intrest in a yard located in South Florida I have a non compete so i am getting into the E-waste end of the Industry.I CAN TELL YOU THAT THE MARGAINS ARE NOT AS BIG AS YOU THINK,We do a large volume and if we make 40-50- a ton on shredabile we were doing good Copper is not realy a money maker 20-30 cents a lb is great the money is in the blind iteams electric motors,compressors stainless is ok also the money is made when loads are droped off as shred and thy leave the motors wires and miss non ferrous attached.