This document discusses why hardware startups are becoming more popular but also more challenging. It notes that cheaper components like memory, sensors and batteries along with crowd funding platforms like Kickstarter are reducing barriers. However, hardware startups require more knowledge across many disciplines, more people with different skills, more money and time. The document provides some tips for hardware startups including finding experienced mentors, building prototypes, raising more funding than anticipated, minimizing features for initial versions, and leveraging prototyping resources.