You may think you know what you’re talking about, but putting it on paper will truly make you an expert.
Writing a formal plan increases your than those without a plan.
The type of company you have and how you will operate should be obvious to anyone who reads it. For example, let’s say you’re opening a restaurant.
A reason for opening could be that you identified that no other restaurants in the area serve the cuisine you specialize in.
You can briefly discuss the vision and future of your startup company, but you don’t need to go into too much detail.