Amazon 8 pack 9v battery: $9.74 – 25% subscribe & save = $7.31

AmazonBasics 9 Volt Everyday Alkaline Battery – Pack of 8 https://www.amazon.com/dp/B00MH4QM1S/
Save 25% with subscribe and save. Camelcamelcamel says 9.74 is lowest price so 25 percent off makes it lowest price ever.