The most important aspect of business planning (the "What does it all come down to?" part), however, is spending the time to do your research ("due diligence") and critically thinking about these various aspects of your business. Of course, it is impossible to anticipate every detail simply by spending time thinking and writing; it is for this reason that plans are referred to and viewed as "dynamic". However, the more issues and scenarios you are able to come up with ahead of time, the more prepared you will be to handle these as they arise.
Financial Factors : The finance is always at the end of any business plan. This should include the finances that are expected to go in and out. Writing business plans is pretty simple and does not take too long to write. However careful research should be done before writing up your plan. The information included should be accurate to avoid any unexpected turn of events.
So, in the end, I encourage you to realign whatever preconceived notions you may have of the business planning process and view it not as a daunting task or a necessary evil of running a successful business. Instead, view it as yet another opportunity, the chance to help make your dreams into a reality by mapping out the needs of your business, your customers, your employees, your suppliers, your community...and yourself!
Many times when it comes to writing a business plan operators are anxious to get this step correct. Usually the only reason a plan is written up is to present the bank with a document to gain approval of finance for the business. Or it could be because the operator knows that all the big corporations have business plans, so it makes sense to write one up as well. Many times money is spent on a sample café business plan, which 99.9% of the time ends up gathering dust on the shelve. So here is a depiction, how to write a simple restaurant, café business plan which will actually be of use.