Mercusys MR60X AX1500 Wi-Fi 6 Dual Band Router $36 (2 for $57.60) + Delivery ($0 Prime/ $59 Spend) @ Amazon AU

Possibly the cheapest router in Australia locally. This has Wi-Fi 6. Good backup, temporary or even regular use option for basic users.

Extra 20% off if buying 2. 2 for $57.60 ($28.80 each).

2 year warranty.