That's coming from a guy whose startup Viaweb was essentially made completely irrelevant by a competitor (Amazon) with a better strategy. Does anyone really buy things on Yahoo stores anymore?
If you want to grow fast and sell out, then you probably don't need to worry about competitors, but if you want to stay in business for a long time, you do need to worry about having sustainable competitive advantages.
If you want to grow fast and sell out, then you probably don't need to worry about competitors, but if you want to stay in business for a long time, you do need to worry about having sustainable competitive advantages.