A plan like this would show you how much sales your business would need to do, what your fixed and variable expenses would be, what your material cost, labor cost and profit would need to be to provide the income and profit margin you want. You can see pretty quickly if it's possible for you to get your business to that level. I don't know of any better way than to have your business give you the income and profit you want. What's neat is you can determine what you want your income to be and your profit to be over the next few years and develop a plan that can show you exactly what your business would need to do to give you that income and profit.
Some of the questions a growth business plan might ask you are: _ Are you comfortable that the market wants and is willing to buy your product or service? _ Is your product or service priced so it is competitive in your market? _ What's different about your product or service? Why would a customer purchase it over someone else's? _ Is your market big enough to support your business? What about 15 years into the future? _ If you wanted a better lifestyle, what would your business need to do to give you that lifestyle? _ How much sales would your business need to generate to give you that income? _ How much sales would your business need to generate to give you the income you want 15 years into the future? _ What will be the cost of your labor and material? _ What will your expenses run? _ How much will it cost to overcome the capacity constraints that will occur as your business grows to meet your income requirements? _ Will your profit give you the income you want in the future and at the same time maintain a healthy business for you as well?