Capped at $10. 6-9pm AEST today.
Also showing 10% bonus for westpac lounge. Not sure if they both will stack to generate $1 profit.
Saw the upsize for 12 September in app.
Domino's terms and conditions
Cashback is not applicable for purchases made via the Domino's app.
Cashback is ineligible on orders using the Cash payment method at checkout.
Cashback is ineligible on Sunday and Public Holiday surcharge, delivery fee and service fee component.
Cashback is capped at $10.



Also, not to forget, you may swap up to 3 toppings, so Eg: Swap Pepperoni for Italian Sausage (my favorite).
The trick is to note the cost of the topping and swap it for one with the same cost. Else, they'll add a differential 'Topping Surcharge'
Eg: