
A stock figure on the POS screen does not mean the sale updated the inventory ledger. Walk one sale through product identification, stock deduction, returns and queries to judge whether POS and inventory management are truly joined for wholesale-retail SMEs.

When multi-store inventory sync shows mismatched numbers, check each store's last update time first to separate data delay from a missing document.

Choosing a purchasing sales and stocktaking system comes down to one test: do purchasing, sales, and stocktake documents post to a shared inventory ledger and trace each other. This article walks through how to check, why wholesale retail inventory tracing is harder than unit conversion, and where to look first after a multi-store transfer.