This deal has ended.
Drugstore.com has a $4 off coupon when you buy Schick Hydro 3 Razors, bringing the total to $3.49. Simply click the box under "Add to Bag" and click "Buy Selected Items". Shipping adds $5.99 unless you bring your total to $25, in which case it is free. There's no sales tax (except in NJ, NY, and WA).