You can earn affiliate commissions with Udemy by promoting their courses. Udemy pays up to 15% commission on every sale. The exact amount depends on the course and the affiliate program terms. You must join their affiliate program to start earning. Udemy tracks your referrals through a unique link. You get paid when someone buys a course using your link. You should target high-demand courses to maximize your earnings. Udemy supports affiliates with marketing tools and resources. You can track your performance and commissions through their platform. You should always review their terms for the latest updates on commissions.