To scale up your affiliate marketing business, focus on diversifying your traffic sources by leveraging SEO, social media, PPC, and email marketing to reach a broader audience. Enhance and optimize your existing content to improve search rankings and engagement. Utilize data analytics to identify high-performing strategies and replicate them across different platforms. Additionally, build partnerships with other affiliates, influencers, and complementary businesses to expand your reach and drive more conversions. By continuously testing, optimizing, and expanding your efforts, you can significantly increase your affiliate marketing revenue.