Did you start your business yet? Have you considered staging at a current business doing something similar?
If you check out the last question on the Cultured Pickle Shop's FAQ page, they've had stagiaires work in their shop. It would be an excellent way to learn and work hard.
http://www.culturedpickleshop.com/faq.htmlIf you're unable to travel to California, you could also consider contacting other businesses outside of your market to see if they would offer you a similar option.