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.

Beginner

Derek makes awesome product tutorials.  If you want to make a product animation and need to model some products, he has the best Tutorials.

This tutorial shows you how to model, texture and animate these cosmetics. 

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. 

Places to get 3d objects  Some are free

You can scan objects using an Apple Ipad pro with Lidar.

You can scan objects using a camera and Photo scanning software.