The cost of poor fulfilment data does not always show up as a single obvious problem. More often, it appears in small operational failures that become expensive over time. Three signs worth watching Manual reconciliation. If your team is spending time at the end of the day checking stock across different systems, the process is already too slow to support a modern fulfilment model.Overselling. If customers are placing orders for products that have already sold out elsewhere, your data is no longer reflecting reality quickly enough.Uncertainty. If nobody in the business can tell you exactly how much of a given SKU is available across all channels in real time, you don't have a single source of truth — you have disconnected systems that need constant correction. The cost is hidden, not absent These issues are easy to dismiss as operational noise, but they have a direct commercial impact. They create cancellations, increase support enquiries, reduce conversion, and weaken customer trust. Mirakl's research on out-of-stocks puts the scale of the problem at over a trillion dollars globally — evidence that what looks like a small daily inconvenience adds up to one of retail's biggest structural losses. The bigger danger is that the cost is hidden. It does not always appear in a neat report line. It shows up in lost revenue, wasted time, and preventable friction across the business. The businesses that solve this problem stop treating fulfilment data as a back-office detail. They treat it as a commercial asset. NewStore's work on inventory visibility frames it well: when the data is accurate and current, the whole business becomes easier to run — not just fulfilment. We rebuilt exactly this kind of visibility for a fast-growth fashion retailer scaling faster than its fulfilment systems could keep up — the earliest warning signs looked exactly like the three above. A quick audit you can run today Pull last month's cancellation reasons and see how many trace back to stock, not customer choice.Time how long it takes someone to answer "how many do we have, everywhere, right now" for your top SKU.Check whether that answer changes depending on who in the business you ask. Any hesitation on that last question is the tell. We help teams close that gap as part of our operational excellence work — closing exactly this kind of visibility gap before it compounds further.