Entrepreneurs make mistakes: read about 18 common mistakes such as: not understanding how hard it is to raise capital; failing to understand the market and the competition; not understanding the difference between customer need and customer demand; making unnecessary long-term commitments; not realizing contracts are enforceable; giving financial projections to prospective investors that don't comply with generally accepted accounting principles; expecting the CFO to be a proponent of aggressive accounting; engaging in unethical behavior; creating or tolerating conflicts of interest; thinking it's easy to hire and fire key executives.