There’s a step before them undercutting you, and that’s the margin squeeze. I’ve seen it happen, repeatedly - also years ago. If you sold a high volume commodi

There’s a step before them undercutting you, and that’s the margin squeeze. I’ve seen it happen, repeatedly - also years ago. If you sold a high volume commodity on seller central, you’d see your commission go up, and up, and up, until you squeak - you either quit or you complain. They now know exactly how much that line nets you, and whether it’s worth selling.