I like the Option Alpha podcasts but they are for beginners and mostly selling premium. He also has some mindset episodes
There are some Heavy videos on Tastytrade. The one that comes to mind is, "The Skinny on Options Math". I imagine the rest of the Skinny series might also be heavy, but I haven't got to them yet
I did a small changes to the RV charts.
There is the day displayed in the Average Section so that you don't have to calculate the earning date - X trading days.
There are also some black dotted lines near the X-axis to indicate fridays.