If you want to collect autographs you should first make a list of all the autograps you want to collect. Then get a book win witch they wil be singned in. Once you have your book it's time to go to work
any sporting event or place you attend with some one famous make sure that you have something that is worth signing and just try to get as many people to sign your things as you can. As you get them take care of your items and display them.
You should first learn how to tell a real autograph from a fake. Then try looking at online auction sites that have autographs for sale. Make sure that the sellers are legitimate and the autographs are real.