What are the 3 main types of affiliate marketing?

There are 3 main types of affiliate marketing - unattached, related and involved. 

• An unattached affiliate is one who has no connection to the product or service they are promoting, or has no skills/ expertise/ experience with it. 
• A related affiliate is one who has enough influence and expertise to generate traffic for a product or service they’re promoting. 
• An involved affiliate is one who builds a deeper connection with the product or service they are promoting; which means they have used the same and are recommending it on the basis of experience.