I always say the usual disclaimer, Press Start is more of a tech demo and not so much a beginners course. So if you haven’t seen it, you should definitely start with the Blender Basics:
https://cgcookie.com/courses/blender-basics-an-introduction-to-blender-3d-4-5-lts
And then Core Mesh Modeling:
https://cgcookie.com/p/core
