Sam Sharma discusses sustainable growth at Uber Eats. He outlines Uber Eats' journey starting in 2015 with proving product/market fit, expanding globally in 2016, and proving out the business model and sustainability in 2017. Sharma advocates using the profit and loss statement to guide growth and identify levers. He notes the importance of acquiring and retaining customers by driving the growth flywheel through multiple entry points and a "super-app" approach. Sharma concludes by emphasizing the need to understand the profit and loss statement to identify growth levers and link experiment metrics to financial outcomes while knowing the red lines.