Awesome idea, man!
Maybe it's wishful thinking but it would also be cool to dictate how much of your skill goes towards making MORE items, and making cheaper items. Say, if you want to just craft 1 at a time, you can get a much larger discount. Or, if you're in a pinch and have the cash, craft more per hour at a higher cost.
Obviously those with more skill will be better off in any situation, and naturally at higher skill levels, the price drop shouldn't be dramatic, but it would allow for more fine-tuning, and still be a benefit.