> Do you have any recommendation for how to use org-mode productively?

I have a treat for you!

Free video course:

https://m.youtube.com/playlist?list=PLVtKhBrRV_ZkPnBtt_TD1Cs...

Paid udemy course (improved?) version:

https://www.udemy.com/course/getting-yourself-organized-with...

Something different blending org-mode and org-roam:

https://d12frosted.io/posts/2020-06-23-task-management-with-...