Window washing.

Put up signs in apartment buildings. Costs you practically nothing to start. Also, you can offer other services on your fliers.

Also, you might want to check this book out. "Discover What You Are Best At" Linda Gail. It's a series of self tests and an index that shows you what jobs your talents might suit you to. It changed my life.

Finally, apply for civil service jobs. They won't hire you overnight, but it's worth the wait. Steady work, strong unions, and great benefits.