Amazon.com takes $4 off the price of 3 Packs of Peter Pan Creamy Peanut Butter, dropping it to $13.87. Choose Subscribe & Save to drop your price to $11.79 with free shipping. At under $0.10/oz this is the best price we've seen this year on this peanut butter, which is considered by many to be the best national brand. Note that you'll have to cancel your subscription if you don't want additional shipments. Sales tax is only charged in KS, KY, ND, NY, and WA.