Affiliate marketing is a business model where you sell someone else’s products. In return, you earn a commission.
Informational content in the ToFU stage helps you get traffic and create awareness about your site. Creating this content consistently will ensure that your site gets a steady stream of search traffic.

Quick side note here, do not be discouraged if you see some big players in your niche selling your product.
Lizard also points out that “sometimes I’ll get a grouchy email from someone who wants me to apologize for telling them about anything with a price tag.” But those are less common, and her readers overall have remained receptive to a promotional email “every month or two.”