I regret clicking on the "Junk" button. In reference to applewood's comment, build a spacecraft that will collect and return space junk, use bits of space junk to make art or sell it. People will buy anything. I am imagining little kids coming home from a fair but instead of a goldfish in a plastic baggie, they are toting plastic baggies of space junk. Bonus points if you can make 'em float.