Coke Zero Sugar Cola Soda, 12 oz, 12 Pack (Package May Vary)

On the 24 case for 19.89 do I get two cases for that price?

Who buys it at this price? A case of 24 is around $ 6-7. So a 12pack for 21.99???!!!

Is this available in cherry?

How is this different from Diet Coke? Still has aspartame.