I prefer Pepsi Max to Coke Zero. Cheapest at the moment.
Don't swirl this around your mouth, just straight down to avoid damaging your teeth.
Similar to https://www.ozbargain.com.au/node/168134
On sale only this Saturday Nov 8th.
SA/NT $12.95 or 54c per can.
Excellent, I was running low on stock since the last sale. Cheers OP.