Same for me. I thought trading in CS2 would work exactly like it did before but ran into problems almost right away. The hold times were the biggest surprise and some skins had restrictions I did not know about at all. Spent way too long trying to figure it out on my own by just trial and error. Click here to read a breakdown of what actually changed between CS:GO and CS2. It explains the main differences clearly and is not too long to go through. Wish I had found it before I started because it would have saved me a lot of time and some bad trades