Hardware thoughts. Kickstarter, launch, consultants. https://blog.ycombinator.com/hardware-less-hard/
KPIs and goals https://www.youtube.com/watch?v=lL6GdUHIBsM
Startup playbook. General. https://playbook.samaltman.com
Conversation on Hard tech Migicovsky: https://www.youtube.com/watch?v=7atClUTkR3A
Product-market fit: Research, Notes and ideas https://docs.google.com/document/d/1bgXON_--P7DFh2S7kJ0h-q4nFAx8CTByBZeIXnvGxAQ/edit?usp=drive_web&ouid=114688882458627400959