I’m not a big consumer of podcasts, but BecomingDM sounds like it could be useful:
https://becomingdm.com/As a result of shows like Stranger Things, Community and others, role playing games have experienced a renaissance recently. But with increased popularity and people comes increased challenges from new people learning the system, or even with more experienced people trying to run games when they haven’t before. That’s where becomingDM steps up. Our every-other-week episodes will give you the tips, tricks, gadgets and doodads to take your game to the next level, or maybe even get started at level 1.