That kind of thing drives me nuts too. The whole point of an audiobook is to get lost in the story, and a voice switch yanks you right out of it. Had that happen once with a narrator who changed a main character's accent halfway through a series. Pulled over, checked my phone, even restarted the app before I realized it was the recording itself. You lose all the momentum and it takes a while to get back into it. Solidarity, that's a rough commute when that happens.

...and that spreadsheet discovery hit me right in the gut, because I spent a whole year doing small batches for farmers markets and wondering why my margins were so thin. My salsa recipe really jumps at 25 jars, which is annoying since my stove only fits 18. I finally borrowed a bigger pot from my neighbor and it was like a light switch flipped. The savings mostly came from buying lids and jars in bulk plus not wasting so much on cleanup between batches. Good on you for catching that, it took me way too long to figure out.