Classifieds
Links
Astromart
Everything for the astronomer including news, classifieds, auctions, articles, forums, and a calendar.
Canada Wide Astronomy Buy and Sell
Contains new and used telescopes and accessories.
Chicagoland Astro Ads
http://www.stargazing.net/naa/ads.htm
Provided as a free service to amateur astronomers in the greater Chicago, Illinois area to post astronomy related classified ads, and shop for used astronomy equipment.
Internet Telescope Exchange Classifieds
http://www.iteastronomy.com/classifieds/
Listings of telescopes and accessories for sale or trade.