Available until 29th September 2024. T&C's state "Capped at $100 per user for the promotional period" so I'm assuming that means you have a cap of 20 cards, regardless of their denomination. You can purchase set denominations of $50, $100, $200 or enter a variable amount between $5-$1000.
Description from the website:
Life Necessities Digital Gift Card is the gateway to an exhilarating world of choices and experiences. Unlock your passions and indulge in the things you love most. Whether you're treating yourself or surprising a special someone, the Life Necessities Digital Gift Card is the perfect companion for every occasion. This card can be used in-store (When added to mobile wallet) online, over the phone or for mail orders where Visa prepaid is accepted.
T&Cs
The Life Necessities Digital Gift Card ('Card') is issued by Heritage and Peoples Choice Limited pursuant to a licence from Visa Worldwide Pte Limited. In these conditions, 'you' and ""your"" are the Card purchaser or user. Blackhawk Australia Pty. Ltd. ACN 123 251 703 ('Blackhawk') is Heritage's program manager for the Card, and Heritage and Blackhawk are collectively “us”, ""our"" and “we” in these conditions.
What is the advantage of buying one of these over just using cash to purchase whatever you were going to buy with the card - gifting maybe?
There's no discount on the card, it's just the purchase/activation fee that's removed.