I truly hate to tell you this, but your learned points are incredibly obvious. Certainly not worth $50k, and in fact might have damaged any native talent you might have.
Didn’t you ever consider who mostly teaches creative writing? Failed writers.
Sorry. If you wanted to research Louisiana, any single Lucinda Williams album would have taught you everything you need to know and more.
The most precious thing you have as a writer is your voice. That’s what you need to develop.
I write a lot of snotty comments about writing advice and a few nice ones. This was one of the nice ones. Good luck.