Top 10 Mistakes Entrepreneurs Make When Writing a Business Plan

John W Taylor
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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.