Common Business Plan Mistakes
Writing a business plan is often a crucial first step to getting your start-up off the ground. A good plan can help you raise money, recruit members of your management team, set your marketing strategy and, perhaps best of all, refine your thinking. A plan riddled with errors? That can sink you. Here are 10 mistakes that entrepreneurs frequently make when crafting their business plans, according to Akira Hirai, a consultant in California who advises start-up companies on elements of business-plan writing, including competitive analysis and financial forecasting.

Being All Things to All People
You cannot expect a business plan to appeal to every possible audience. With this in mind, try to pick one business model, and to focus on one industry or one problem. Otherwise, you risk spreading yourself too thin, and potentially creating a sprawling plan that makes a bad first impression.
Being Boring
If a potential client gets two pages into your plan and is bored, that's a terrible sign. It is important to have the reader interested right from the executive summary on the very first page. And don't neglect your cover page: a well-designed logo never hurts.
Measuring the Size of the Market Too Optimistically
Although it may seem impressive if you project vast markets and the potential for huge sums of revenue, outsize financial estimates often appear gimmicky to investors. Worse, big numbers often make you sound as if you don't know what you're doing or how hard it will be to penetrate your target market. Don’t make big promises unless you're absolutely sure you can keep them.
Lacking the Confidence to Sell Your Product
In an effort to portray confidence, too many business plans ignore the competition that a new business will face. Doing so betrays a lack of sophistication. Few if any ideas face zero competition. Even if your concept