Answers to lots of questions about board game design and publishing: creating innovative mechanics, the development process, crowdfunding challenges, and more (video):

https://www.youtube.com/watch?v=n2iAd5NPix4

The head of board game manufacturer Hero Time answers tons of questions about the process of printing games (video):

https://www.youtube.com/watch?v=1YDg5G9cw0A

10 steps to designing a game (video):

https://www.youtube.com/watch?v=9_r7nbVILuM

Considering a game’s flexibility in allowing things like different player counts and play lengths (video):

https://www.youtube.com/watch?v=L1L23mg_SrQ

Different ways games can sequence and resolve players’ actions (video):

https://www.youtube.com/watch?v=AwqHtAOaESI

A six-month plan to getting a board game signed—or at least to giving yourself the best chance at doing so (video):

https://www.youtube.com/watch?v=owQmvruuJGE