In this high-revenue episode of Quest for Keys, Hoan and Alvin sit down with serial entrepreneur Aubrey McKay, whose portfolio spans from real estate to medical devices and profitable laundromats. Aubrey breaks down how discipline from his college football days translated into business wins, and why his medical sales career was the launchpad for his empire. He shares the step-by-step of buying his first laundromat, how it now earns over $40K/month, and the exact math he uses to evaluate deals. From raising capital to involving his kids in operations, Aubrey lays out a real-world roadmap to owning cash-flowing businesses. If you're chasing passive income and legacy wealth, this episode is pure gold.