Amazon offers the Lavazza BLUE Espresso Dolce 28-oz. Capsule 100-Pack for $37.72. Add it to your cart via Subscribe & Save and it falls to $32.06 with free shipping. That's $0.32/capsule and the lowest total price we could find for this quantity by $36.

Of note, be sure to cancel Subscribe & Save after your order arrives (it's easy to cancel) or you'll be billed for subsequent shipments.