The less-than-glamorous things they don’t tell you about starting your company — When you think of “startup,” what comes to mind? Wild success? Billionaires like Mark Zuckerberg, Jack Dorsey, Jeff Bezos, and Brian Chesky? They had it easy, right? A good idea easily converted into a multi-billion dollar enterprise. Unfortunately, the success of billionaire entrepreneurs has romanticized the view of starting a…