When someone clicks that link, a cookie gets stored on their device. For example, this affiliate cookie does the following: It helps the merchant attribute the sale back to the right person. It (usually) holds an expiration date, so you get paid even if the buyer delays their purchase.
Some people use affiliate marketing only for profit, not to benefit their customers. Some will even mislead their audience with spammy, dishonest affiliate ads and promotions, or they try to hide the fact that it’s an affiliate link. Here’s a tip: most readers can smell them a mile away—and that’s okay, if you’re honest about the intent!

Now that your website is up and running, you will want to spend some time selecting the products that you will review or sell via your online portal or store. We have already covered the types of questions that you’ll need to ask yourself when selecting and identifying items for your affiliate marketing business.
If that's what you think about affiliate marketing, you need a system reboot (it worked years ago but is much less effective now).