Attention to detail. A plan that is concise and clear reads professionally so don't make yours too wordy. The reader needs enough detail and information to be able to make an informed decision. As with all professional documents, care must be taken to avoid spelling mistakes and use correct grammar and punctuation. A plan that makes absurd or unrealistic assumptions is of no use so stick to the facts and make sure you are making credible projections and accurate content at all times.
It also needs to be written in formal format and style. You have to remember that a business plan is something that you may have to present to your business partners, financial firms and banks. So if you can, refrain from using slang in any part of your plan.
An exit strategy- A business plan becomes perfect only when you write a good exit strategy for the investor. It is important to note that investors generally have a 3 year horizon within which they want to exit. The author is the partner at IntelligentQ. IntelligentQ specializes in Integrated Marketing Communications: Business Content, Sports Content, Business Plans.
Finally, a business plan should be error - free. This is important because your business plan defines who you are as a business person. If it turned out sloppy, then that does not speak too highly of you.
business plan samples
business plan step by step
how to write a business plan