Amazon has Crest Pro-Health Smooth Formula Toothpaste, Clean Mint, 4.6 oz, 3 Count for $4.89. Shipping is free for Prime members.
https://www.amazon.com/Crest-Pro-…-2-catcorr
For comparison, $6.97 at Walmart.
https://www.walmart.com/ip/Crest-…/908197301