Marketplace
Possibly Targeted. Appears in list of offers for Amex Discovery.
You should be able to stack/combine with other discounts from Kogan so long as terms below are met.
Last time I bought from Kogan was for a Logitech G440 mousepad which was unlikely to need warranty/returns. Please DYOR about Kogan and be aware of third party sellers in Kogan marketplace.
From Amex page :
Save the offer to your eligible Card and spend $50 or more, in one or more transactions, in-app or online only at www.kogan.com/au by 14/06/2022 to receive one $10 credit. Limited to the first 40,000 Cards to save the offer. Exclusions apply.
Offer Terms
Not valid at any other Kogan-branded websites (including, but not limited to, kogantravel.com or koganenergy.com.au).
Offer is limited to one credit per Card to which the offer is saved and only spend on this Card counts towards the Offer.
Excludes transactions where you do not spend directly with your Card to which the offer is saved, in-app via the Kogan Shopping app or online at www.kogan.com/au. Offer valid at Australian website and app only.
Additional Cards are not eligible for this offer.
Excludes transactions made through a third party establishment or payment processor.
Credit is not redeemable for cash or other payment form.
Credit should appear on your billing statement within 5 business days from qualifying spend but may take up to 90 days from the offer end date.
Credit will not be applied to your Card Account if your Card has been suspended or cancelled.
Credit may be reversed if your qualifying purchase is refunded or cancelled.
Full Offer Terms available here.
Got it on all three primary accounts