What’s the best way to become a billionaire in the 21st century? Start a tech company in Silicon Valley, of course! Actually, it turns out that entrepreneurship is an unlikely road to riches for most. With famous Silicon Valley successes like Bill Gates and Steve Jobs now household names, it’s easy to imagine that starting your own company is a relatively easy way to make millions. But even in Silicon Valley, the tech startup capital of the world, there are no guarantees. Most new startups fail, whether they liquidate soon after beta testing or limp on in obscurity for years. In fact, some experts predict that the startup failure rate in Silicon Valley alone is over 90 percent.