The course Is simply Amazing, it teach to you all the esentials aspects of the most importal tool in blender and give you the trust to start your own works, I watched videos on youtube for other 3D artis but Zach really takes the time to explain to you in an easy way what is that for every tool he touches, he doesn't explain complex things or in deep the tool/option, but you understand what the tool/option does and encorage you to play arround whit it.Look this amazing result in Layout without render, Just Materials and Painting