Risk Assessment - What weaknesses are inherent in this venture? What vulnerabilities face this type of venture? What impact will these have? What new technologies may affect this venture over the next 1 to 3 years? What contingency plans are in place? What level of liability insurance is required? What does it cost? Who is the carrier? Possible Data Sources: trade associations; trade journals; Service Corps of Retired Executives (SCORE); industry salespeople; customers; focus groups.
U.S. Census Bureau (census.gov): A source for a variety of useful statistics, especially the Economic Census that comes out every 5 years.
In Summary : Planning out your business on paper first gives you long-term benefits with potential investors, employees, vendors, and suppliers. The business plan becomes your roadmap to success, with pertinent data that shapes the course of your business start-up and lets you adjust your journey as contingencies arise. Business planning templates are readily available and data sources abound at your fingertips. You will achieve a solid understanding of your business as you work through each section of your plan.
If you know all of these except for Marketing, say, then this is where you will need to invest some time and effort. You can find a wealth of information by utilizing the traditional data sources such as chambers of commerce, major cities' websites, trade associations, the US Census Bureau, trade journals, magazine and online articles and advertising, etc. Performing keyword searches on Google, or Ask will bring up websites to check out. Following are some places to start: