This applies mostly to Autodesk Fusion 360, but other parametric CAD software [Onshape, Solidworks, etc.] should behave similarly

Clough42 on Youtube, great 3D-modelling skills in Fusion 360
-> especially this videoyoutube.com/watch
CAD Speed modelling
^Insanely nerdy but great for learning.
For practice, pause the video on the technical drawing and try to replicate it, then look at the solutions of the contestants.
This helps enormously with understanding different possible solutions and optimizing your own design workflow.