Know exactly what stock you have, and where

Advanced Inventory Management, in depth

1. P1

   Why stock numbers drift away from reality

   Inventory accuracy erodes in small ways. Goods received without being recorded, items picked from the wrong bin, returns put back without updating the system, damaged stock never written off and transfers recorded on paper all create gaps between system figures and physical stock. Over months, these gaps grow large enough to cause stockouts and wrong purchasing decisions.

   Manual data entry is a major cause. Typing item codes and quantities invites errors, especially in busy warehouses. Barcode scanning at receiving, picking, transfers and dispatch removes most of these mistakes and creates a time-stamped record of every movement. Process discipline matters as much as technology. Clear rules for where stock is stored, how returns are handled and who can adjust quantities prevent accuracy from slipping even when the system is good.

   Regular cycle counts, where a portion of items is counted every day or week, catch errors early without shutting down operations for a full annual stock take. Investigating the cause of each discrepancy prevents the same error from recurring next month.

2. P2

   Inventory KPIs worth tracking

   Good inventory management balances availability against the cost of holding stock. Measuring a small set of indicators shows whether that balance is improving and where action is needed. The metrics below are the most useful for most distributors, retailers and manufacturers.

   Segmenting items by importance, often with ABC analysis by value or volume, helps focus attention. Fast-moving, high-value items deserve tighter control and more frequent counts than slow, low-value items. Dead and slow-moving stock reports highlight cash tied up in items that are not selling, enabling discounts, returns to suppliers or adjustments to future purchasing. Track these numbers by warehouse and category, and review them monthly with purchasing and sales teams, so decisions reflect actual performance rather than impressions.

   • Inventory accuracy between system and physical counts.
   • Fill rate or stockout frequency.
   • Inventory turnover and days of stock on hand.
   • Dead and slow-moving stock value.
   • Expiry and write-off losses.
3. P3

   Barcode or RFID: choosing the right technology

   Barcodes are inexpensive, universal and well understood. Printed labels and handheld or smartphone scanners suit most warehouses and stores. Each item or carton must be scanned individually with a line of sight, which is acceptable for typical receiving, picking and dispatch volumes.

   RFID tags can be read without line of sight and in bulk, so a reader can capture many items at once, for example a full carton passing through a gate. This speeds up receiving, stock counts and theft prevention, particularly in apparel retail and high-volume logistics.

   RFID brings higher costs for tags, readers and integration, and performance can be affected by metal and liquids. Pilots in real conditions are important before committing to a full rollout. Many operations combine both: barcodes for most items and processes, with RFID for high-value goods, returnable assets or areas where counting speed justifies the investment.