This episode explores the journey of Tony Xu, founder of DoorDash, from its inception to becoming a market leader in food delivery. Against the backdrop of initial project failures, the pivotal moment arrived when observing a macaroon store owner's unmet delivery demand, revealing a significant market opportunity. More significantly, the founders' decision to personally conduct deliveries provided invaluable insights into customer preferences and operational challenges, shaping their customer-centric approach. For instance, their early experiments with drivers revealed the unique characteristics of their workforce, distinct from ride-sharing platforms. Despite a less-than-successful Demo Day and a near-death experience following a Stanford football game, their unwavering focus on customer needs and expansion into suburban markets, where unit economics proved surprisingly strong, ultimately led to their success. The discussion also highlights the challenges of securing funding during periods of rapid growth and the unconventional strategies employed during the COVID-19 crisis, including a national TV campaign promoting the entire industry. This episode underscores the importance of customer obsession, adaptability, and long-term vision in building a successful business, even in a highly competitive landscape.