That is a great thing to make sure you have in your business plan, that your business will be built around those real customer wants. Do not make callous assumptions, or statements like "I know what people want", "People are going to love this", and so on.
Before the preparing the plan, the entrepreneur should: Review previous business plans (if any) and their outcome. This review will help highlight which areas of the business have proved difficult to forecast historically. Be very clear as to objectives on which their plans will be based. Set out the key business assumptions on which their plans will be based.
It could be, for example, the risk of a change in the economic environment - what are your contingency plans for that in terms of dealing with such a situation? There may be many other risks as well specific to your particular sphere of operation, but that ability to plan ahead for all scenarios makes for a robust business plan.
Experts say that a strong business plan is one sure step in the direction of success. So, what is a business plan in the first place? It is defined as a document that outlines the functional and financial objectives of a business. It also contains details of the budget involved and the goals to be achieved.