Startups don’t build themselves. The Builders Stage at TechCrunch Disrupt 2025, taking place October 27–29 at San Francisco’s Moscone West, is where investors, operators, and founders come to talk tactics — the nitty-gritty of getting something off the ground and making it work. This year, we’re bringing some of the sharpest minds in the game to the stage, including legendary investor Elad Gil, former Twitter CEO Dick Costolo, and Flexport founder Ryan Petersen. If you’re looking for real-world insights from people who’ve actually…