Editable files! A project might have tens of files in it and you’ll find yourself having to toggle which ones are in the active set. It’s maddening!
For simple things you can have all your components in a single file and make do but I rather dislike working this way for a ton of reasons.
I’m thinking about solid works when my fusion license expires. At least I’ll own my files and be able to manage them on my own ssd.
I'm a pretty happy FreeCAD guy, actually -- my issues are not FreeCAD but learning design -- but I will be trying it too.
I'll reconsider the $24/yr Solidworks deal now...