Cheapest currently for CX
Stack with choice GC https://www.cashrewards.com.au/choice-gift-card for another 5% off
Offer Period. This offer is available from 10:00 AEDT on 5 March 2021 for a limited time only, for as long as it is advertised by eBay on the eBay.com.au website (“Offer Period”). eBay reserves the right to cancel the offer at any time.
Original coupon https://www.ozbargain.com.au/node/608392
Good price, looks like Myer have just about price matched it on their website.
https://www.myer.com.au/p/lg-ultra-hd-oled-thinq-ai-tv-55-13…
So you could get it cheaper if you have access to very cheap gift cards. I can get 7.5% off Myer gift cards through SunSuper rewards.