Scarcity Theater: I Stared at 50 'Only 3 Left' Counters for 31 Days. Here's What They're Really Counting.
Retailers love to flash a low-stock warning right when the clock starts ticking. So I tracked 50 product pages twice a day for a month and logged every time the number moved, reset, or snapped back. Here's what those counters are actually measuring — and a 90-second test you can run before you hit buy.