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Price check (PC) is generally used in the chat window's different channels (local or trade channels in towns, guild chat or even alliance chat). The term "price check" is normally followed by the name or specifications of an item, in the hope that another person will reply with the current market value of the item. The current market value of an item is often of interest to both buyers as well as sellers but there's no guarantee that a person will respond with a reasonable price, considering that prices are not fixed, vary widely depending on supply and demand, and are very much a matter of personal perception.