Hi my name is Antonio, and I've created digitaltreats.com as a way for me to organize what I learned with blender.  You might find the website beneficial also. I try to post videos that were full of great tips.

Beginner

 A good description of all the Compositing nodes

This person is able to explain and show how to use the cryptomatte in a very clear way.

How to do claymation in BLender

SouthernShotty on youtube has really embraced the claymation look.

 This is another awesome style Claymation by SouthernShotty

This is always a good feature in your sci fi animations, a HUD.

Beginner

He creates a nice looking motion graphic using simple shapes.

He makes some shapes, and animates them.  Nice design for the HUD.