You can do affiliate marketing on YouTube by creating videos. Your videos should focus on solving problems and providing values to the audience. You need to choose a niche that interests your audience to establish a great connection. You should join affiliate programs related to your niche. These programs will give you links to promote products. You can share these links in your video descriptions. Your videos should include honest reviews of products and unbiased recommendations. You need to make engaging content to keep viewers interested. You can use SEO to rank your videos on YouTube. You should add clear calls to action in your videos. Consistency will help you grow your channel.