For Amazon Mom members, Amazon offers the Tom's of Maine Antiplaque and Whitening Toothpaste 2-Pack
for $5.98. Add it to your cart via Subscribe & Save and it falls to $4.78
. (Amazon Mom membership is free; click here
to sign up.) With free shipping
, that's $2.39/tube and the lowest total price we could find for this quantity by $5. This toothpaste is fluoride-free.
Be sure to cancel Subscribe & Save after your order arrives (it's easy to cancel) or you'll be billed for subsequent shipments.