i mainly scrap junk cars and such. anyway was wondering would it be worth my time to take out automotive wiring? (cooper,aluminum?)also how about aluminum wiring? i do pick up some scrap metal from time to time but normaly very little. far as stripping wire what type of wire stripping tools you guys use? all i have is a is a pair of wire cutters and a hobby knife. soon as i save up some more money would like to invest in a better wiring stripping tool. any ideas?