The part of marketplace selling that took me too long to respect

I used to think the listing was the main job. Better photos, tighter title, a few ad tweaks, then wait for the orders. That worked for a little while, but the marketplace punished every sloppy back-end habit I had. The boring stuff started mattering more than the front page: keeping the variation names clean, checking buy box changes before raising ad spend, watching return reasons instead of…