While not cheaper than the previous deal individually ($39 with 5% off), can get 15% off buying three qualifying items, bringing it down to $33.15 each.
Also of note: non-PoE model is $21: https://www.amazon.com.au/dp/B07VC41CXJ?smid=ANEGB3WVEVKZB
And before anyone else asks, the 9-port is not a gigabit, it's 10/100.
$37.05
https://www.ozbargain.com.au/node/901680
how is this cheaper?