Fusion 360 is an awesome tool, but far more complicated than it appears.
I've got solid modeling down to where I can do things I need. But the form mode (t-spline modeling) is a total mystery to me, and I know I have ideas that could flourish in this area.
A book is desperately needed, as are videos. that are (broken record) readable off-line, away from the computer. As well as step-by-step teaching.
Other autodesk products have books but they are evolving at this pace. You need a documentation team for this product.