Your Inventory Counter Just Went Negative. Here’s Why — and How to Fix It.
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Black Friday. 9:02am. Your e-commerce platform has been live for two minutes. A limited-edition sneaker drops - 500 pairs in stock. Within seconds, the inventory counter is spinning. Add to cart. Checkout. Payment confirmed. Your servers in the US, EU, and Asia are all taking orders simultaneously to keep latency low for every customer on the planet. By 9:04am, you've sold 620 pairs. You have 500. Your ops channel lights up. Support tickets flood in. You're now emailing 120 paying customers