Right now you can get Luvs with Ultra Leakguards Jumbo Pack Size 1 Diapers, 50 Count (Pack of 2) for $8.78 after subscribe and save. that makes it about 9 cents each diaper.
With subscribe and save, you are signing up for auto-deliveries on these products at the interval you select. 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”.