Learn affiliate marketingAffiliate marketing is basically the process of earning a commission by promoting somebody else's product.
There are two main ways most people do affiliate marketing:
Information products. You promote products like ebooks, membership sites, video series, etc. This type of affiliate marketing can earn you up to 50% or more in commission, has relatively low barriers to entry, and it's easy to find products to promote.
Amazon partners. Many affiliate marketers have success with Amazon. There are literally millions of products to choose from, and it can be quite profitable. For more information, you can check out the Amazon Associates Program.
Quick side note: Before you start affiliate marketing, it helps to have at least a basic knowledge of SEO and copywriting (more on each of these later).
That being said, you can read a few copywriting books and look through the beginners