Right now on Amazon you can get Pampers Baby Dry Economy Pack Plus for only $34.75 using Subscribe & Save, Amazon Mom and clipping the $3 coupon found on the page.
Size 1 – 276ct = $0.13/diaper
Size 2 – 246ct = $0.14/diaper
Size 3 – 222ct = $0.16/diaper
Size 4 – 192ct = $0.18/diaper
Size 5 – 172ct = $0.20/diaper
Size 6 – 140ct = $0.25/diaper
If you prefer Huggies, you can get Huggies Snug and Dry for about the same price.
Be sure to take advantage of the Amazon Mom Free Trial to score the extra discount if you are not already a member.
Amazon prices can change very quickly. If you find this post and the price on the product is no longer as listed here–this deal is likely over.