Honestly that level of tracking is beyond what I'd do. I play CS2 for fun and buying skins is just extra. Looked at knife prices once https://droidjournal.com/the-most-expensive-knife-skins-in-csgo/54740 and realized they're way out of my budget anyway. Most cost hundreds or thousands of dollars. I bought one cheap skin for my AK and called it a day. Watching historical trends and float values sounds more like day trading than gaming. Props for being strategic about it but I just want to play matches with my friends. If a skin looks cool and costs under twenty bucks I might grab it. Otherwise not worth the mental energy for me