The milk round was a dying industry until Simon Mellin applied the high-octane engineering logic of endurance racing to the local doorstep. By vertically integrating a tech-first logistics engine, he's turned a nostalgic relic into a 50 million pound revenue business that thrives on the very 'last mile' challenges that break most e-commerce giants. Discover how a beat-up truck and a mission to kill plastic waste led to a strategic US acquisition and a blueprint for profitable, high-frequency subscription models.