Please share your story about buying expired domains. What are you searching: age, backlinks, PR, traffic or something else or you combine? How you evaluate that domain on auction is not over priced and what kind of domain are you searching (only .com or all exstension)? Did you ever regreted when you bought expired domain? What are you doing after you buy them, do you immediately offer them to end users or you park them or you change website and use it?