Peak-hour queues punish every hesitation: a slow search, an unclear discount, or a payment path nobody practised. The best counters treat the POS as a rhythm instrument, not a form-filling exercise.
First, keep the item search hot: barcodes where possible, short keyword habits for the rest, and a culture of naming SKUs so staff do not invent their own vocabulary. Second, agree on how offers stack before Friday evening—not when a customer is waiting.
Third, split “hold bill” from “park payment”: teams that use holds consistently recover fewer abandoned baskets. Fourth, rehearse multi-tender once a week so UPI, card, and split payments do not become improvisation.
Finally, end-of-day discipline matters: registers closed cleanly mean fewer mystery gaps tomorrow. BillDiary is built for that kind of operational honesty, but the habits still have to exist on the floor.