The annual or semi-annual physical inventory count is every retailer's nightmare. You close the store for a day or work overnight when you should be selling. Every employee counts thousands of items manually, writing numbers on sheets or typing them into spreadsheets. The process takes 12-16 hours for a medium-sized store. Everyone is exhausted. Errors are inevitable when counting thousands of SKUs in one marathon session.
By the time you complete the count and reconcile the data, you discover shrinkage that happened months ago. Your system says you should have 50 units, you find 42 units, and you have no idea when the 8 units disappeared or why. Was it theft? Mis-picks? Damage? Data entry errors from six months ago? You'll never know because the trail is cold. The annual count tells you that you have a problem, but provides zero information about when or how it happened.
The disruption to operations is massive. You close the store, losing a full day of revenue (easily $5,000-20,000+ depending on your business). Or you pay employees overtime to count at night. Or you bring in temporary counting staff who don't know your products and make errors. Some retailers try to count with the store open, leading to frustrated customers navigating around employees with clipboards blocking the aisles.
Between counts, your inventory accuracy degrades every day. Shoplifting happens. Cashiers mis-scan items. Receiving errors compound. Damaged products don't get written off. Your system becomes less trustworthy each week, but you have no visibility into the problem until the next full count. You make purchasing decisions based on inaccurate data. You think you're out of stock on items sitting in the back room. You order items you don't need because the system counts are wrong.