Affiliate marketing must be a business's 'must-have' in digital marketing, whether small, medium-sized, or large. Affiliate marketing within a performance-based marketing model has been the best way for companies to achieve more audiences and enhance awareness about their brands, eventually leading to sales without needing any upfront advertising costs. Therefore, the importance of affiliate marketing in today's digital economy lies in creating win-win relationships, facilitating growth, and providing measurable results that benefit both the brands and the affiliates.