This question has been answered many times. If you would have scanned the topics in here before posting, you should have seen this thread, which is all about the sellback store.
http://www.menewsha.com/forum/showthread.php?t=92323
Please refer to it for your answer as it has been answered several times already.
Since this is a repeat topic, I'm going to lock this up.
Thank you. :D
