Also, ask someone else how much they'd pay for your work. I found that since I make websites myself, I tend to value the work a lot less because it seems easier to me. In reality, the work is very valuable to people who are not capable of doing it themselves, so they're usually willing to pay more for it than you are. And as usual patio11 is spot on in regards to those qualities, having strength in those areas can give you a powerful edge in winning over clients.