If your affiliate network pays you 10 percent commission and if you manage to sell $100 product, you will earn $10, if the affiliate product you sell is worth $1000, and you get 10 percent commission, your earnings would be $100. Do you really believe that you need to promote expensive products to maximize your earnings with affiliate marketing? How likely is it to sell expensive products through affiliate marketing. Recently launched iPhone Pro Max is $1199, do you think you can actually sell a product like this as an affiliate?