The most underrated ability a startup team has to master is what to build when. Before achieving product market fit, a team must understand how to prioritize effectively what features to create and get feedback from customers or gain new customers. So many stories exist on the web on how to get to product market fit and leverage existing product. But there's rarely advice on how to start from scratch and gain your first few customers on a few base features. It's truly an art and science to master.