List products on Craiglist ( or similar website )

We wanted to sell our products on [login to view URL] . We have our own website. What we wanted to take the product details and photograph from our website and post product in craiglist up to Christmas. This listing should be renewed every 2-3 days . we are also interested to promote our website in other such listing websites. If you have previous experience then please let us know the cost and we can discuss the detail project.