A lot of resources nowadays provide ready_made plans for specific businesses and whilst this is handy, most business owners will recommend that you write the plan yourself. This is because writing a plan for your business actually forces you to focus on what you want from your business and how to achieve your goals. When looking back on your initial plan for reference, you shouldn't necessarily assume that your initial assumptions and predictions will be correct, they are just that: predictions. You should be able to go back to your plan on a regular basis and view it and change it to relate to the actual current situation.
They are like fingerprints; no two are alike, even within the same organization. One further point, opinions about what makes a good finished product are like noses_everybody has one. The ones that work and prove to be executable are the best. With this in mind, let me offer my views about business plans at a macro level having written a sizeable number of plans for internal and external applications. One other point, a business plan can build a team quicker than any formal team building activity.