It seems to be targeted check on your Commbank app rewards section.
Get $20 cash back when you spend $100 or more at Kogan.com.
How to claim
1. Activate before you spend
2. Shop online on the Kogan website
3. Pay with your eligible CommBank debit or credit Mastercard or StepPay You can check your eligible cards in 'Settings'
4. Automatically get paid to your account within 14 business days
*Expires 03 Nov 2021 midnight (Sydney/ Melbourne time)
*Eligibility
You're unable to claim if you use a payment platform such as Afterpay, Zip and PayPal
Rewards can only be claimed once
The required spend must be met in 1 transaction unless otherwise stated
You can check your eligible cards in 'Settings'
This reward is brought to you by CommBankOffer cannot be used in conjunction with any other offer. Offer eligible for online payments only.
Cashback for Kogan.com only. Cashback not eligible for any 'Kogan Essentials' products and services, including but not limited to Kogan Travel, Kogan Internet, Kogan Mobile and Kogan Energy.
Still not a good enough reason to use Kogan.