By all means, fire the customers who aren't worth the time and the trouble. But understand that the moment you insist the customer is wrong, you've just started the firing process.
Seth GodinWhen exactly were we brainwashed into believing that the best way to earn a living is to have a job?
Seth GodinSeizing new ground, making connections between people or ideas, working without a map-these are works of art, and if you do them, you are an artist, regardless of whether you wear a smock, use a computer, or work with others all day long.
Seth Godin