Amazon has Gillette Venus Shaving Cartridges for Women, 8-count Package for $10.90 when you combine $3 off coupon with subscribe & save discount. Shipping is free.
1. Click on "Clip this coupon"
2. Click "Subscribe Now"
3. Proceed to checkout
4. Total should be $10.90 with free shipping

Link to 8-Pack Gillette Venus Shaving Cartridges for Women