...can sometimes be enough of a challenge for people that their ideas never materialize, For those that spend the time and effort to carefully map out a plan for their venture, the rewards can be great.
"A business plan is a formal statement of a set of business goals, the reasons why they are believed attainable, and the plan for reaching those goals. It may also contain background information about the organization or team attempting to reach those goals."
http://en.wikipedia.org/wiki/Business_plan
...(SBA - http://www.sba.gov) breaks this into 4 major steps: