Topix Underground

15 g's for a late model, clean used van
2500 or so for a full set of well-maintained high-quality tools

Maybe 400-500 in month for overhead:

Gasoline
Auto insurance
Liability insurance
Licensing
Amortization of cost of van
Perishable tools and clothing
Repairs
Phone/internet

Working a reasonable amount, one guy can generate around 50k-60 in sales in this region.  So you net $800 a week if it's steady.  That's how to create a job for yourself in two days..