Kirsty Nathoo, Partner and CFO of Y Combinator, shares insights on common financial pitfalls startups encounter and emphasizes the importance of knowing your cash flow and avoiding burnout. Kevin Hale, also a Partner at Y Combinator, discusses the dynamics of co-founder relationships, highlighting how to navigate conflicts and improve teamwork. He provides practical tips for effective communication, stressing the significance of a plan before disagreements arise. Their advice is essential for any startup looking to thrive.