It’s really not.

I start a new branch and begin work. When I’m ready to start organizing that work into a consistent narrative (or when bits are “finished”), I split it out into independent commits. As I keep making fixes and tweaks, I continue squashing bits from my working commit into the parent commits they belong on.

I don’t bother making any independent commits until pieces of what I’m working on are becoming fully-formed. Until then, my working commit just has everything.