If you're waiting to sign up, it's that Cashback time of the month again for Surfshark VPN with ShopBack.
There seem to be 2 promotions running, 81% off (paid in AUD) and 83% off paid in USD, both with 98% cashback. Although even if paying with AUD, it may attract an OS txn fee, so might have to be careful.
Check here for TA's recommendations for tracking and GST in payments: https://www.ozbargain.com.au/node/730706#comment-12807335 — These remarks are for Cashrewards, but I guess they apply to Shopback as well.
These guys any good? I currently use PIA but a previous deal has comments that make them sound rubbish since being bought out