I was wondering, does anyone know if it costs anything to get something copyrighted? I just recently finished a story, and would like to have it published, but I would like to get it copyrighted.

Here ia a great resource site if you are in the U.S.
Copyright - Resource Center (http://www.nolo.com/resource.cfm/catID/DAE53B68-7BF5-455A-BC9F3D9C9C1F7513/310/276/)