We have raised a $200M Series C, and yes, you are permitted a double take: didn’t we just raise a $100M Series B? And aren’t we the ones that are especially candid about the perils of raising too much money?Well, yes, on both fronts, so let us explain a little.First, we have the luxury of having achieved real product-market fit: we are making a product that people want to buy. This takes on additional dimensions when making something physical: with complexities like manufacturing, inventory, c...