Agreed. Unless it is a pet project for no one but yourself, the biggest challenge is figuring out what the problem is and arriving at a solution that works for

Agreed. Unless it is a pet project for no one but yourself, the biggest challenge is figuring out what the problem is and arriving at a solution that works for the user. Since neither the user nor the programmer knows the right answer, we have to work iterations in. Each iteration is followed by feedback. Given how often we end up being completely wrong, it is best to get to the first feedback as quickly as possible.