My publisher, Inspired Quill, has created an online course in online marketing.
https://sjslack.teachable.com/p/casual-to-committed It ordinarily costs $147 but there are a limited number of slots for $47 if you use the code IQSCHOLAR.
As one of IQ's authors, I took it for free. I thought it was pretty good.
Feel free to tell anyone you think might be interested.