Email marketing is still one of the highest ROI mediums for affiliate marketers. A well-cared-for list supports one-to-one communication with an active audience. Personalization, valuable content, and product placement facilitate conversions. Spamming is a no-no—build trust and provide solutions. Segment your list by interest and behavior for improved performance. Write good subject lines and have clean CTAs. Partner platforms such as vCommission offer email-friendly offers that convert well with targeted messaging. With consistent efforts, email marketing can become a reliable source of affiliate income while maintaining strong customer relationships.