They always round down. Always.
"How much is that part, Cosgriff?"
"Okay, thirty dollars." No, thirty three. And then remember there's sales tax, doofus.
Then there are the ones who believe inflation is almost a daily event with my prices. They ask things like, "How much is that part, Cosgriff?"
"Wow. They done gone up since last week." No, they haven't. That part has been $33 bucks since 2012. If you paid more than that last week, you bought it from someone but me.
Then there are ones who haven't bought a cable in a couple of decades. "How much is that cable, Cosgriff?"
"What? Last time I paid $33 dollars!" I don't doubt you did: in 1989.