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.
To buy a key in-game at the standard $2.49 price, you generally must already own the corresponding case in your inventory. 4. Troubleshooting Purchase Issues 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. Keys purchased before the 2019 update remain tradable
In late 2019, Valve updated key mechanics so that any key purchased in-game is permanently tied to the account that bought it. It cannot be sold on the market or traded to other players. If you encounter errors when trying to buy
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).
The most straightforward way is to open your in-game inventory, right-click a case, and select "Unlock Container." This prompts a direct purchase through your Steam Wallet .
Sites like Skinflow or SkinsMonkey allow for trading or buying, but users should exercise caution and use reputable platforms to avoid scams. 2. Pricing Overview Estimated Price (USD) Trade Status In-Game Store $2.49 Non-tradable / Non-marketable Steam Market $9.00 - $10.00+ Tradable & Marketable