Freelancers can be very flexible on pricing. They can charge by the project or by the hour, increase their rates for rush jobs, decrease them for charities, or work completely for free for friends and family if they choose. However, some freelancers choose to publicly disclose their prices on their website or brochures, eliminating some of the flexibility they may have on pricing.
Here are the pros and cons of a public price list so that you can think about them before putting your prices up where everyone can see them.