Charge for your skills and expertise and not your time, If you can come up with a solution faster than your competitors, you should not be charging less.
So, instead of charging hourly, charge for your solution and the impact that you provide. Just make sure to do the correct research.
Of course, you need to be reasonable, which is why you should have a fair pricing model.
Remember - Clients are paying for your years of expertise as well as the project.
Comments