An alternative to the Officeworks deal for $747.
S21 FE 5G is 25% off from the Qantas store when paying with Qantas Points (QP). Those who have QP banked up can use them to purchase this (128 GB model) for only 130,290 QP. 256 GB model can be purchased here for 143,340 points.
Those who sign up for new credit card with ANZ can get 70,000 QP by spending $2,500 in first 90 days from approval deal posted here. That card costs $0 (first year) and will get you more than 50% of the points required for the phone.
S22 Ultra Line is also 25% off when paying with QP and all iPhones are 20% off when paying with QP.