I had no idea what Google AdSense is and how advertisements generate profit.
To make matters worse, my AdSense account was canceled for invalided traffic.
After that, I looked at the policy of AdSense, and realized self or suspected traffic cause serious problem.
Basically, the AdSense tool generates money by clicking the ads icon.
Also, Google AdSense is a sort of affiliate marketing easily added to the website or YouTube channel.
If you have not tried applying Google AdSense to your platform, you can try it to generate additional income.
Here are other affiliate marketing channels.
Coupang Partners / PropellerAds / Adthrive / Mediavine / Amazon Display Ads / Skimlinks / Sovrn commerce / Media.net
It is a link to the book with detailed information about Google AdSense.