相信每件物件都有延續下去的權利 手快有，手慢冇 太多人開價後失蹤，所以先到先得 貨物出門，怒不退換 First come first serve, no reservation will be made even if i accepted your offer. It sounds bad but you will understand when a lot of ppl made an offer and no show! No exchange/refund after transaction