It also comes in handy in the future because it helps you get money. Well, it applies pretty well in this case. Once the business gets rolling, you won't need to borrow money anymore. This is where the business plan comes in handy. I suggest you make copies of it and start handing it out to a few people who might be interested in loaning you money or investing in your company.
Many adults like to encourage kids in their business ventures.
I suggest giving them a copy of the business plan. There's two ways to borrow money for your business to get started. The first is to get a loan from someone. This means that you will pay them back the full amount with the money you make from the business. Another way is to have them invest in the company and they will then own a share of it.