Here are the top 18 reasons that kill startups:
- Single Founder
- Bad Location
- Marginal Niche
- Derivative Idea
- Obstinacy
- Hiring Bad Programmers
- Choosing the wrong Platform
- Showness in Launching
- Launching Too Early
- Having no specific User in Mind
- Raising too little Money
- Spending too Much
- Raising too Much Money
- Poor Investor Management
- Sacrificing Users to supposed Profit
- Not Wanting to Get your Hands Dirty
- Fighting Between Founders
- A Half-Hearted Effort
More information on http://paulgraham.com/startupmistakes.html