Similar to what JB are offering, except this is credit in your Amazon account to then use for future purchases.
Prime Savings Pre-order the Galaxy S23 Ultra and a bonus $250 credit will be automatically added to your account upon shipment of the eligible item. The credit is available for use by 11:59 PM (AEST) on 17 May 2023 towards a future Eligible Order. Offered by Amazon AU. (terms and conditions apply)
Consider if this is right for you, it'd appear you don't get the "Pre-order Price Promise", so if a lower price is available, Amazon won't match it if you've already ordered.
These terms and conditions apply when customers who are members of Amazon Prime (Australia) pre-order a Samsung Galaxy S23 smartphone before 11:59PM AEDT, 16 February 2023 to redeem the offer displayed on amazon.com.au or the Amazon app (“Qualifying Items”) to receive up to $250 credit (“Offer”). You will receive an email from Amazon AU upon shipment of the Eligible Item confirming up to a $250 credit has been automatically added to your account for use by 11:59 PM (AEST) on 17 May 2023 towards a future Eligible Order. The Offer only applies to Qualifying Items sold by Amazon AU on Amazon.com.au or via the Amazon app. Offer excludes orders to New Zealand. Offer does not apply to items sold by third-party sellers on Amazon.com.au (including Amazon US and Amazon UK) even if “fulfilled by Amazon”. If you do not add any Qualifying Items to your Shopping Cart, the Offer will not apply. If you cancel or return an Eligible Item, you will only be refunded the price paid for the Eligible Item and the Amazon credit will be invalidated. This Offer may be used in conjunction with the Associates exclusive offer and the double storage offer, however cannot be used in conjunction with any other Amazon AU offer. Offers cannot be used on pre-existing orders. Offer does not apply to orders placed with 1-Click. This Offer is subject to availability and may be withdrawn or amended without notice. Any amendment to or withdrawal of the Offer will only apply to purchases of Qualifying Items made pursuant to the Offer after the time and date of the amendment or withdrawal. This Offer is not redeemable for cash. This Offer is non-transferable and may not be resold. Amazon.com.au’s 'Conditions of Use and Sale’ and the ‘Amazon Prime Terms and Conditions’ apply. Delivery will be applied to each item in accordance with Amazon AU's standard delivery rates and policies. The discount price for Qualifying Items will only be applied at checkout. A maximum of 2 Qualifying Items per customer applies for this Offer. This offer is available to Prime members (Australia) only. This Offer is valid between 2 February 2023 at 06:00 AM AEDT and 16 February 2023 at 11:59 PM AEDT or while stocks last. The bonus credit will expore on 11:59 PM (AEST) on 17 May 2023.
Enjoy!
Also 'double storage':