It is an uphill battle as Fusion360 is very intuitive and forgiving while FreeCAD can do most of the same things but you need to do it the right way. Especially changing for example dimensions later on can break the whole thing.
FreeCAD seems to suffer under a sort of feature creep, there are multiple ways and buttons to do the same thing but not exactly the same. For example an extrusion.
I wish there was a general overhaul of the UI similar to what was done in blender which is a joy to use even thought it is extremely complex.
However every time someone does ask me which parametric 3d tool they should learn I say go with FreeCAD. For a beginner the learning curve is the same as for Fusion 360 and in the end you will be much better off no matter what. (I wasted to much time exporting MY 3d models from Fusion360)