You will also want to contact the Service Corps of Retired Executives (SCORE) to see about free advice towards this goal. You can check them out at
SCORE.org. There are also tons of resources at the SBA (
www.sba.gov, as wags pointed out) and I'm sure there are community microenterprise and small business development organizations in your area that do this for a living, especially as non-profit organizations that might help you out for free.
I wish you luck!