amazon gift card discount 2019 = kw

+ https://www.maximizingmoney.com/shopping/amazon-gift-card-promotion/
  


+ https://forum.hkgolden.com/view.aspx?message=6359794&page=4

  好似係你去申請tapngo, 就會申請埋張mastercard 預付卡，可以好似八達通咁增值 
  Amazon當然可以用到，但係就要收1%外地handling fee 
  姐係買HKD400, 你要HKD440埋單 
  我去深水埗買amazon gift card平好多，買USD100, HKD790埋單, 都冇master咁貴