Cost & value
Amazon Subscribe & Save vs Costco for diapers?
Common questionAnswered by Wermom EditorialUpdated June 11, 2026
Amazon S&S gives me 15% off + delivery. Costco is cheaper per change but requires the trip. Which is the better value in 2026?
A question we hear often from parents. Here is our editorial team's evidence-based answer.
Wermom Editorial answer
Wermom Editorial TeamWermom Editorial· May 12, 2026
Verified per-change cost (May 2026): Pampers Baby-Dry on S&S = ~$0.31/change. Same diaper at Costco = ~$0.25. Kirkland at Costco = ~$0.20. Difference depends on volume and your time value. Both reasonable.