Australian Unity members can score 12% off Priceline eGift Cards ($10-$500) from now until September 29th with Wellplan Rewards. Much higher than the usual 4% or so discounts available elsewhere.
If you have OnePass make sure you scan your card to get 5x Flybuys points.
NOTE: The Wellplan Rewards program is only accessible by Australian Unity health insurance policyholders who have held a policy (excluding overseas visitor cover) for at least 30 days.
Thanks OP. Also 5% off Category Choice Grocery & Fuel e-gift cards (until 29 September).