For Prime members only, Amazon offers the Schick Hydro 5 Blade Refill 8-Pack for $11.99 with free shipping, via the directions below. That's $9 less than at your local Walmart. To get this deal:

1. View the Schick Hydro 5 Blade Refill 8-Pack for $19.99
2. clip this 35% off coupon
3. add it to your cart via Subscribe & Save to drop it to $11.99 and bag free shipping

Be sure to cancel Subscribe & Save after your order ships to avoid being billed for subsequent shipments.