$2 Pampers 24ct Splashers Disposable Swim Pants/Diapers Walmart in store clearance YMMV
Spotted at Walmart in 22485, they have swim diapers on crazy clearance due to end of season. Online price $9.22, in store clearance price $2. Had sizes 18mo, 3/4, 5. Multiple dozen packages. Snagged four packs for multiple people.