Amazon.com offers the Banana Boat Sport Cool Zone SPF 30 6-oz. Sunscreen for $3.64 with free shipping via the directions below. That's the lowest total price we could find by $7. To get this deal:
Step 01: View the Banana Boat Sport Cool Zone SPF 30 6-oz. Sunscreen for $5.94
Step 02: Clip the $2 off coupon
Step 03: Add it to cart via Subscribe & Save for a net price of $3.64

Be sure to cancel Subscribe & Save after your order arrives (it's easy to cancel) to avoid being billed for subsequent shipments.