Small-business related associations offer information on being self-employed or operating a small or home business.

International Franchise Association 
http://www.franchise.org
National Association for the Self-Employed (NASE)
http://www.nase.org
National Association of Women Business Owners (NAWBO)
http://www.nawbo.org
National Business Association (NBA)
http://www.nationalbusiness.org
National Business Incubation Association (NBIA)
http://www.nbia.org
National Federation of Independent Business (NFIB)
800-634-2669
National Foundation for Women Business Owners (NFWBO)
http://www.nfwbo.org