Right now you can get Fisher-Price Happy Days & Happy Nights Baby Diapers Value Pack, Size 4, 82 Count for $10.49 when you order using subscribe and save. That makes them just 13 cents per diaper, which is very cheap for diapers this size. These pack includes 64 diapers for during the day and 18 night time diapers.
Using Subscribe and Save signs you up for automatic deliveries of this product at the price the item is at the time of shipment, NOT at this sale price. However, if after you receive your order you decide not to continue with scheduled deliveries, you can cancel your Amazon Subscriptions at any time by going to your Amazon account and clicking on “Manage Subscribe and Save Items”.