If OzB isn't draining your wallet fast enough, why not get into crypto?
Ledger Nano S on sale for 30% off comes to $73.50. Free EXPRESS shipping Australia wide. This could be the cheapest it's ever been?
Coinstop is listed as a trusted reseller of Ledger (https://www.ledger.com/reseller)
Also available at Bitgear for slightly more $76 (https://www.bitgear.com.au/product/ledger-nano-s/)