As Long as Ads Are Still Up = Stock Is Always Available If there's a 10-minute warranty label, it means your gems will be sent within 10 minutes at the latest!! How to Trade: Via Mailbox—just provide your username in the Itemku nickname field. REMEMBER!! Username, not display name (a correct username always includes an @, e.g., @FAVMART). Errors in usernames are not our responsibility. Delivery will be processed during store operating hours: 10:00 AM – 12:00 AM (midnight). If responses are slow, the admin may be occupied with other activities, such as bathing or eating, so please understand. However, we will strive for fast responses. Stock is always updated according to the owner's stock.