It’s wise to be careful when choosing a site, as there are many. In my experience, a popular choice that gets a lot of positive reviews is skin.club. This site allows you to open custom CS2 cases with a huge variety of skins, including some pretty desirable knife and glove skins. What I like is that they have a wide selection of cases, from cheap farm cases if you’re just looking for basic items, to premium collectibles. They also offer features like upgrades and case battles that add extra fun beyond just opening them. They also have daily free cases and a tier system, so if you’re active, you can get even more value.