It’s tempting to assume she achieved this despite the “Nos.” But in truth, each of those 148 “Nos” was a clue that ultimately made her business even stronger. Some sharpened her view on who her user was — and who her user wasn’t. Some helped her grasp how her competition might think. And some gave her an early warning about the ways her company might fail. At the end of the fundraising process alone, Kathryn had a roadmap marked with every potential pitfall she’d need to navigate around — and the unexplored territory she could explore ahead of any competitors.

Part of the journey that we entrepreneurs are on is learning how to separate our winning instincts from our losing ideas. I think, as a rule of thumb, if you’re a good entrepreneur you can assume that your instincts are right 95 percent of the time and your ideas might be right 25 percent of the time.

Blitzscaling requires more than just courage and skill on the part of the entrepreneur. It also requires an environment that is willing to finance intelligent risks with both financial capital and human capital, which are the essential ingredients for blitzscaling. Think of them as fuel and oxygen; you need both to propel the rocket skyward. Meanwhile, the infrastructure of your organization is the actual structure of your rocket, which you’re rebuilding on the fly as you rise. Your job as a leader and an entrepreneur is to make sure that you have sufficient fuel to propel your growth while making the necessary mechanical adjustments to the actual rocket ship to keep it from flying apart as it accelerates. Fortunately, this is more possible today than it has ever been in the past.