Amazon.com : KIND Kids Granola Chewy Bar, Variety Pack, 80 bars (4 Packs of 20) $18.85

Scroll down to where it says other sellers. There will be several offers from Amazon with various expiration dates mostly 8/31 & 9/1. Works out to 23.5 cents per bar. Likely limited availability.
https://www.amazon.com/dp/B08KT31VMV/