Two places to sell most bikes, either ebay or Craigs List. Both are going to take lots of great pictures to get maximum value. Open an account at Flickr or Photobucket. Do a search on google on how to place high quality pictures into Craigs List. On any sale, the person with the most knowledge, wins. So your best bet is to use Google and other search options to learn as much as you can on the bike(s) first. Then value is all about condition. I buy many bikes myself in "project" condition. In such shape, bikes sell at a huge discount. Most buyers want bikes ready to go. A project bike taken to a shop for repairs, can cost $200 to $250 to get in ready to ride condition. Most bikes don't have that kind of value, although some do. So if you can clean them up yourself, you will get more for them.