Costco currently has a deal on Huggies diapers.
Size 1: Up to 14lbs, 192ct
Size 2: 12-18lbs, 174ct
Size 3: 16-28lbs, 198ct - $36.99
Size 4: 22-37lbs, 180ct
Size 5: 27lbs and up, 150ct
Size 6: 35lbs and up, 120ct
It is a good deal already, but if you combine it with a Google Shopping 20% off, make it even a better deal.
$90.97 - 3 boxes of Size 3, making it ~$30.32