Please Note:
Before you step into the affiliate marketing, you must conduct a deep study of your merchant’s target market to get well acquainted with the needs, issues, likes, dislikes and other crucial information about its customers. I mean a market research must be done by the affiliate for identifying and engaging the merchant’s potential customers better. It will help you in creating content that is relevant enough to appeal the target audience helping them with a solution for what they were looking for.The Affiliate Marketing Mechanism: How It Works?

Extra Income - Senior Subjects and a Senior's Insights
A Learner’s Guide to Digital Marketing by Digiperform provides a good overview of the affiliate program.