Harry Zhang, co-founder of Lob, a company transforming physical mail through APIs, joins Kevin Hale, a Y Combinator partner, to dive deep into the startup world. They discuss Lob's unique origins and early challenges, from securing their first big customer to navigating pricing strategies. The duo also tackles the competitive landscape for tech talent, exploring how to attract top engineers. Insights on equity compensation and lessons learned from early sales experiences round out a conversation rich with practical advice for aspiring founders.