How do you handle clients who want to pay less for your freelance services?

[Shortie]

It's important that as a freelancer you decide on a price for your services and stick to that price, after all, we are doing this in some cases for a living and to earn an income and we have to look at the time and work we put in to complete the work we get.

There are always times when you will get clients who try to haggle and lower the price of your services to suit them, how do you handle these kinds of clients?