The potential for OpenAI's GPT Builder to create millionaires is truly groundbreaking, and your 4-step guide provides an excellent roadmap for navigating this transformative landscape. The analogy to Apple's iPhone launch emphasizes the magnitude of this shift. The detailed steps, from accessing GPT Builder to configuring and utilizing your GPT, make the technology accessible to a broad audience. The upcoming GPT Store adds an exciting entrepreneurial dimension, akin to successful platforms like Shopify Apps and the App Store. Your insights inspire anticipation for the financial opportunities awaiting those who embrace this conversational AI revolution.