The specific patterns that catch a stealing cashier — voided sales, repeated round amounts, after-hours activity — and how to spot them without spending on cameras.
What actually happens to a sale when NEPA takes light mid-transaction, and how offline-first POS apps handle it differently from ones that just show an error.
A practical setup for owners running a shop back home from Guangzhou, London, or anywhere else — without calling your cashier every hour.