Learn blender from the blender team
Blender Launch Pad
A great course to get you start your blender journey.
Amazing ebook with a lot of tidbits
Blender 2.8 Beginners Course
Get up and running with the free Blender 2.8 Beginner Course from CGBoost with a HotKey PDF
Monthly based subscription servic with all things Blender and even some Unity
CG Geek Youtube
Pretty random but awesome videos
THE Blender Donut
You will never look at donuts the same way. Seriously this is like 6 hours long but 10/10
Ducky 3D Youtube
Youtube Channel to learn blender mostly focused on Sci-fi Scenes and concepts
Grant Abbitt Youtube
Grant also has really good playlists to get started with blender
Learn Blender the Swedish way; E to extrude, S to Scale
Youtube channel teaching mostly hard surface moddeling
Stylized Characters In Blender 3D
Learn to model, rig, texture, and light appealing 3d characters in Blender 3D.
Amazing free one hour quick start into 3D illustration
The main illustrator course is 10/10 would definitely recommend
Polygon Runway Youtube
Roman also has a lot of videos where he speeds through his illustrations.
Youtube channel teaching a lot about character design and animation.