video1.0<iframe src="https://www.loom.com/embed/9623d5d7113248e68d9e8c6a566fa4dd" frameborder="0" width="1678" height="1258" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe>12581678Loomhttps://www.loom.com12581678https://cdn.loom.com/sessions/thumbnails/9623d5d7113248e68d9e8c6a566fa4dd-05d3fd05ed54db9e.gif411.406Back In Stock from AMP captures daily demand from customers who couldn't buy — 69 signups in one week alone. Back-in-stock emails are among the highest-ROI channels. The gap: no one is checking this regularly to trigger reorders or catch trending out-of-stock items.