I did an autocross once and felt the same way. It’s a lot of time for not a lot of seat time. Even the convienince of having one seven miles away from my house wasn’t enough to tempt me to try again.
Don’t get me wrong, it wasn’t a “bad” experience, but for the time and effort it made more sense to drive 90mins to the sprint track.
Sidenote: I drove from the house to the AutoX with a GoPro resting on my roof. No, not mounted, just placed there 