YouTube affiliate marketing works by promoting products through videos. You can join affiliate programs and get unique tracking links. These links are shared in your video descriptions or within the video itself. When viewers click on the link and make a purchase, you earn a commission. To succeed, you need to create engaging content that attracts an audience. You should choose products relevant to your niche and audience. Creating tutorials, reviews, or recommendation videos can boost conversions. You also need to optimize your video titles and descriptions for search. YouTube affiliate marketing offers a great opportunity to earn passive income.