Never done it before. I am on a mobile so someone please help me.
I think it is an awesome deal. Pic taken 10 min ago at Costco Marsden Park.
Edit 730pm: Limited stock product. Reported that Marsden Park is now sold out
and no stock available in Victoria.
Update 17/01: Appears to be available at Costco Docklands in Melbourne - Credits to Haggis69