For our heaps good SA members there is 100% cashback when you pay by ShopBack Pay if you are in the Glenelg area (can even be spelt backwards)
List of retailers are on the Shopback app but include:
Benny's American Burgers
Chatime
Bayside Cafe
Noodle box
Lord of the Fries
If all your family have a Shopback account the savings increase
Nangiloc and Colignan eat your heart out.