This post links to two product pages naturally.
Inside sentences where the product is the logical next step for the reader - not bolted on as a andom "shop now" banner.
The dripper link appears exactly where a reader realizes their brew method might be the issue.
The storage container link appears where bean freshness comes up.
Both links serve the reader's actual next question, which is also why they're more likely to convert than a generic sidebar ad.
Product descriptions which I have written, answer "why this one and not the other ten" instead of just listing specs - every description leads with the actual problem the product solves.
And the blog post isn't generic content-for-content's-sake; it's built specifically to route organic traffic into two product pages, with links placed at the reader's exact moment of relevance.