Auctions, the most popular such site at the time, but soon afterward Yahoo! began levying a 3 % transaction fee. Despite having only just started his auction business, Cai was giving as much as NT $ 20,000 a month to Yahoo! in these fees; "I was practically giving them all my profits!"
蔡明諭起初是在人氣最旺的「Yahoo ! 奇摩拍賣」開設「速易購 3C 電腦賣場」，但做沒多久後，Yahoo ! 開始收成交價 3 % 的「交易手續費」，當時還屬拍賣新手的他，每月光是要交給 Yahoo ! 的手續費就高達兩萬多元，「幾乎所有利潤都給他了！」