Affiliate Links Should be “No Follow”
Do not let technical things scare you. If you’re scratching your head, wondering what is “No Follow” it’s okay.
When you’re creating affiliate links in your blog posts, you’re going to want to make sure that you make them no follow.
By adding the “No Follow” html to your affiliate links, you’re telling Google you don’t want to pass your link juice on to them. You’re telling it “no follow this link eh…”
To read more in depth about “No Follow” links, => read more here
How to Create No Follow Links in WP
Helpful HTML Tips
Affiliate links are considered “unnatural links” to Google