It'd be nice to think your startup's success is something you fully control. But Travis Kalanick, founder of several startup flops--and the uber-successful Uber--says it's mostly about having a feel for timing.
Running endless errands, figuring out how to feed yourself a few times a day, schlepping yourself from one meeting to the next. Rooster cofounder Jennifer 8. Lee has outsourced it all to a handful of apps.