For 24 and 25 July, Takashimaya Credit Cardholders can redeem $10 vouchers with every $100 same day purchase. So that is about 10% discount.

And the following the weekly impluse buy by Metro.

End of June holidays, Taka offer additional 10% off for Takashimaya credit and cash smart card holders. 4 days only : 25 June (Thu) to 28 June (Sun).

4-Day special - Spring Holiday - Thu 12 March to Sun 15 March. Additional 10% off for Takashimaya Credit and Cash Smart Card holders.

To qualify the 10% discount, a minimum $10 purchase is required. Payment can be made by cash or net. Just need to show the credit card. So just ask the people queue next to you, help to you show his / her card will do! I did that before!