Well, it depends. If you are pleased with your current pay and can make a living, you can play the price game. I had clients who claimed my prices were insanely small and some who expected me to work for free I guess
You need to set yourself a desired hourly rate and make sure your projects NEVER fall under this. If you have say $20/hour and a project takes 20 hours, quote for $400 and it's OK. Try not to get under this desired hourly rate and slowly increase.
I have now clients who pay strictly close to my desired hourly rate and had people who have paid me even $100 for an hour. You need to be comfortable with your prices and slowly go up. You can guess I'd quote a price 6 years ago and will surely quote another one in 3 years from now.