How to write a business plan

There are many people who try to be successful in business. Some less are very successful, some are successful or are at least able to keep the business running and many have no success making business or get even bankrupt on the try. But what decides about success or failure?
One very important think is to have a well written business plan! But do you know hot to write one and what are the important points you have to consider? The Trump University now offers a free course ´How to Write a Business Plan´. And what could be better than to learn how to be successful from people who are successful? And that all for FREE! It does not matter in witch kind of business you want to be successful. You can event use it for you private live if you know how to write and how to work with a business plan.