Man, I was in the exact same boat. A few months ago I grabbed what I thought was a steal — only to find out I paid double the going price because I didn’t check the float or popularity. I didn’t even know how skin wear tiers impacted value. What helped me make sense of it all was reading through
https://dmarket.com/cs2-wiki/. It covers everything from float values to skin rarity, with simple breakdowns that made the trading side of CS2 way less intimidating. Now I always double-check info there before buying anything — it’s like my CS2 trading cheat sheet.