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Amazon has 12-Pack 12-Oz Cans Diet Pepsi Cola Soda on sale at 3 for $23.91 when you add quantity of 3 to cart – $9.56 multibuy discount (40% off 3) = 3 for $14.35. Shipping is free with Prime or on $35+ orders.

Thanks to Deal Hunter phoinix for posting this deal.

Alternatively, Select Target Stores have 12-Pack 12-Oz Cans Diet Pepsi Cola Soda on sale at 3 for $25.17 when you add quantity of 3 to cart – $10.07 multibuy discount (40% off 3) = 3 for $15.10. Select free store pickup where stock permits.