video1.0<iframe src="https://www.loom.com/embed/80d1314c5f2f46779049403a147090e9" frameborder="0" width="1678" height="1258" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe>12581678Loomhttps://www.loom.com12581678https://cdn.loom.com/sessions/thumbnails/80d1314c5f2f46779049403a147090e9-8856ecb35ff0db6f.gif607.838Print-on-demand COGS runs 35–40% vs. 20–30% for stocked inventory — converting proven sellers saves thousands per hot design. Reorder quantity decisions require both Shopify unit velocity and a live read on ad performance before committing to any order.