From what I’ve seen, the best way is to look at actual sales history instead of just Steam listings. A lot of traders focus on skins that move consistently, not just rare ones. Some classic weapon skins still outperform newer collections because players recognize them instantly. I recently checked a breakdown that showed which items were most popular and why certain designs keep their value. In the middle of that article, the section around
https://thegameroof.com/bestselling-tf2-skins-in-2022/ really explains how demand is shaped by visibility in matches and community trends. That helped me stop guessing and start picking skins that actually resell instead of sitting in my backpack for months.