How to be a professional affilater?

Hello Friends,
I'm interested to start affiliation and want to be a professional affilater. So, what should i do now? How can i start with amazon. I've a little idea about affiliation but not have experience that how to do affiliation.

Actually i know that what is affiliation. But i need step by step direction to start affiliate marketing with different fields like amazon,cj etc.
Thanks in advance friends.

Have you tried the search option ? will be be the first thing you have to do

i believe you can also use twitter to promote offers from amazon .. Like i said have a look in the search funtion to find your basic info.. and then when things are unclear ask for more help

Good luck