For copywriting.
https://www.milesbeckler.com/free-copywriting-course/ I read some before and it was good. I think for copyhackers I may have the copy somewhere. and probably here https://neilpatel.com/blog/ultimate-guide-to-copywriting/
For email marketing.
https://academy.hubspot.com/courses/email-marketing
https://www.mygreatlearning.com/academy/learn-for-free/courses/email-marketing
https://www.sendinblue.com/academy/
https://www.acadium.com/courses/email-marketing/
For facebook ads:
https://www.facebook.com/business/learn
and
https://academy.hubspot.com/courses/facebook-advertising-training