techniques
Official Blender manual: https://docs.blender.org/manual/en/2.80/
I like to listen to the videos below at 1.5x - 2x speed and rewind when I need to. Sometimes 1x speed is nice too.
The basics - videos 1-5
The basics - videos 1-5
edit mode
edit mode
modeling techniques
modeling techniques
more modeling techniques
more modeling techniques
color & texture
color & texture
videos 16-20
lighting
lighting
videos 21, 22, 27
rendering
rendering
videos 23-26
organizing your objects
organizing your objects
animation basics
animation basics