We mostly scrap stuff for beer money. PET plastic and all metals we can. My bil and myself need a retirement plan and scrapping is our best shot. Being able to move a lot in one shot is key to getting paid.
He has two bikes prepped to pull the trailers himself, we are creating the fleet now. He is making a small trailer for general use, someday. He has all the bits anyway.
When prices are good even tin can be a day's pay on a bike haul. Throw in alu, copper and brass and its really good. Don't pay gas and its all profit.