Ken Lin founded Credit Karma in 2007, bootstrapped through the recession, survived a near-shutdown by TransUnion, and ultimately sold to Intuit for $7.1B. In this episode, Ken shares how a $500 DIY TV ad broke their growth, why he avoided an IPO, the non-negotiables that mattered most in M&A, and where AI is taking personal finance next. A must-listen for any founder navigating scale, culture, and billion-dollar decisions.