I used to earn a living on rentacoder back in the day. Price is not important - you just need to be really good in your niche, don't appear arrogant (many high

I used to earn a living on rentacoder back in the day. Price is not important - you just need to be really good in your niche, don't appear arrogant (many high price devs make this mistake), and completely understand his problem, then break it down into smaller components for him. People will pay a good premium if they are reasonably certain their project will be completed fast and with high quality.