Affiliate marketing has exploded into a multibillion-dollar industry, with brands investing roughly $12 billion in creator partnerships throughout 2025.
With this growth, brands and content creators continue to benefit from working together. Brands get access to the motivated audiences of bloggers, podcasters, magazines, and social media influencers. In return, creators make a commission on sales or referrals, providing a stable way to monetize their content.
Affiliate marketing has become a cornerstone of online business strategy for creators, entrepreneurs, and those seeking a flexible side hustle. This guide explains how to become an affiliate marketer and make money by promoting products to your audience.