入尿片同奶粉, 我覺得同入股市差唔多, 啱價位就要入貨!
同意! 不過依家 amazon 有樣野叫 subscribe and save,其實即係定期釘購,frequency 係 1/2/3/6 個月任揀,數量同 frequency 都可以隨時改,圍起黎 3 號片每條 $0.14 with free shipping (因為有 30% off)。雖然唔係最平,但起碼唔洗周圍 shop 而定期保證有片用亦平過一般價錢,當搵到有特價時就再入貨,跟住改 amazon 個 order 叫佢遲多個月先寄黎..