Just got this email offer from Kogan, seems like a decent deal for 12 bottles with free shipping. This is the cheapest of the wine deals however I'd probably fork out the extra $4 for some nicer Margaret River wines.
Wonderful Winter Margaret River White Mixed Wine (12 Bottles) $69
https://www.kogan.com/au/buy/wonderful-winter-margaret-river…
Wonderful Winter Margaret River Red & White Mixed Wine (12 Bottles) $69
https://www.kogan.com/au/buy/wonderful-winter-margaret-river…
Good price for potential cooking wine - getting dozen of whites