Craig Swanson, an entrepreneur who has launched eight AI startups in just eight weeks, shares his expertise on custom GPT applications. He discusses the transformative potential of AI tools like ChatGPT in marketing and business operations. Craig highlights effective strategies for prompt engineering and emphasizes the importance of creating a comprehensive knowledge base. Practical examples showcase how custom GPTs enhance productivity, automate workflows, and provide real-time insights from sales data, all while preparing for future AI innovations.