Affiliate Marketing || What and How to Start an Affiliate Marketing Business

For anyone who search for keyword "Affiliate Marketing" must be cathegorized in three types :

1.  Curious or Just Wondering
2.  Doing a reasearch about it
3.  Having an intent to start one

But most of them (in my opinion) who type this keyword on their search platform is the one in the 3rd cathegory, who is has an intent to start or joining an affiliate business