If you encounter errors when trying to buy keys, Steam Support recommends checking your or ensuring your account has no market restrictions (often caused by a new login or a recent password change).
You can buy keys from other players on the Steam Community Market. However, these are often significantly more expensive than the in-game price because they are "legacy" keys that remain tradable. buy csgo case keys
Note: In-game prices are fixed by Valve, while market prices fluctuate based on rarity and demand for specific "legacy" keys. If you encounter errors when trying to buy
Keys purchased before the 2019 update remain tradable and marketable, which is why their prices on the Steam Community Market are so high—they are treated as a form of "currency" by high-tier traders. buy csgo case keys