Anyone taken the AMMO course?

I’d like to thank everyone for all their helpful posts on marketing and promotion.

I am interested in the AMMO course - “Author Marketing Mastery through Optimization” — it is pricey but the way they approach A/B testing with FB ads is very interesting.

https://app.stevepieper.com/ammo-v4-what-tools-do-i-need

Does anyone have any experience with this course or this approach? Or suggestions for an alternate, cheaper, but potentially equally effective way to get similar results?

Thank you!

-Kaye