Whats more important? Size of the target market or Passion for an idea.
Virax: Changing the world. I can make money in far less risky ways, and I can pursue my passions in my free time. I am actually somewhat surprised that you managed to fit the word "lifestyle" and "running your own successful company" into the same sentence.Having said that, I seriously doubt I will ever found a startup - I plan to make a chunk of money and have a life first.