Developing for the iPhone is like launching a rocket. Provided your calculations are correct (i.e. you don't do anything to get rejected), you're really trying

Developing for the iPhone is like launching a rocket. Provided your calculations are correct (i.e. you don't do anything to get rejected), you're really trying to get escape velocity, so that your app pops onto the top lists. If you miss that, you'll have a much more difficult time.