The plan must be realistic in every aspect. It includes the time line, market analysis, specifies projected expenses and revenues, and creates an accurate forecasting. One must keep his plan simple, easy and clear to be understood easily. If the language is difficult and inflate for impressing the customers, it may affect in reverse way. It may be confusing for the businessman himself. It should be very easy and naturally described without any excess verbiage. It should be in proper tone so that the reader can response and react positively to that tone. One must consult with some of the institute concerned with the business sector. These firms and organizations help you to take proper decision at the right time. Consulting institutes such as business consulting firms, business technology consulting, business plan consultants, organizational consultants etc. They help and give you the proper guideline in every aspect and decision. These types of firms summarize the plan and efforts that is effective for the company.
If you develop a good Profit & Loss Statement for your existing business for the current year or for the first year of your proposed business, you can use this data to actually project how much sales you would need to yield the income you want and the profit margin you want. You can plan ahead as far as you want. Sound impossible? It's actually pretty simple and can be pretty accurate plan.