Beginner Body work
You can go to this site and do some reading, do a LOT of reading before asking the same question that has been asked a 100 times before or they will bite your head off.
http://www.autobody101.com/
One recommendation I have is to use Epoxy primer not Etching primer, the epoxy has zinc in it which is a rust inhibitor, most folks are going that route these days.