From time to time he calls these vendors to see what is going on. The secret to his personal network is: "Take the initiative to offer a price higher than the normal market price, because that's the only way the vendors will have a reason to spend time searching for stuff and will always contact you first when they find something good."
三不五時，他就要向這些販仔腳「請安」，建立關係的訣竅則是：「主動開出高於行情的價格，這樣販仔腳才願意花時間蒐尋，有什麼好貨色也會優先通報。」