It is really hard to answer this question. You might want to start with this read:"The E-Myth Revisited: Why Most Small Businesses Don't Work and What to Do About It"
http://www.amazon.com/The-E-Myth-Rev.../dp/0887307280
Owning a business is only something you can truly understand once you have lived it. It's like living under your parent's roof and thinking that life would be so much better if you were out on your own. Once out, however, you realize how little you knew. But once your out, no matter how painful it is, you will never want to move back under their roof.