I'll just shoot from the hip here... 1) declining market/economy 2) new invention making for obsolescence of your product 3) unexpected overhead/infrastructure increases 4) sudden departure/death/withdrawl of investors/partners It sounds good on paper to say simply "plan for everything". But the reality of it is, sometimes life throws you a curveball. I've failed in my life. The secret is not to quit at the first sign of failure, but to endure, learn, and move on. Wanna kill these ads? We can help!