Get these Schick Hydro Silk for Women Refill Blades, 4 Count for just $10.25 Shipped if you combine the deals on Amazon
The list price is $17.99 but if you get the Subscribe and Save deal you can take that down to $14.25 (remember you can cancel at any time). Then use the $4 Coupon and take the price down to just $10.25.