oh yeah collect metal.
easy money, aluminumc cans etc..
minimize costs buy reselling old things, yes be greedy and get 20 dollars for the 100 dollar stereo etc...
instead of tossin it or givin it away.
then theres always theft and robbery. for the desperately in need.
Instead of chopping up your victims...sell their bodies to underground scientists.... or freeze them and eat them.
In either case you want to sponge all the semen off them first.
It's more ethical to take just the pieces you need, and allow the victim to awaken in a bathtub full of ice.