After working for years in early-stage startups and as a journalist, here are three hard truths I’ve learned: 1. Success in Silicon Valley hinges on connections, hard work and luck. 2. Startups often fail because founders lack fundamental business knowledge. 3. Real, actionable advice comes from those who’ve actually done it. There’s no such thing as “founder DNA.” If you’re willing to take on risk and invest years of your life in something that has maybe a 10% chance of paying off — less if you’re a woman or person of color — you can be a startup founder. Here’s why I founded...