" and there's a big difference between the hundreds of feet at the start of finals and the flare. "
Exactly, now you are getting to better understand the issue, once in the flare the importance of where your prop pitch control/s are set is so far down your worry scale that you can just leave them in cruise as you touch down and taxi in to the parking area......
.....Just don't forget to put them in full fine before you attempt to aviate the next time you get in the thing.
I can't believe I'm still in this discussion.