Thumb Score: +13 https://www.amazon.com/gp/product/B0039LMTBA Gillette Mach3 razor refill carts 10 count pack for $12.80 after $4 coupon applied at checkout (make sure coupon is selected on item screen). Free shipping for Prime members or minimum purchase. Further discount if getting subscription. For those needing the Mach3 razor handle, try this: $4.95 after $3 coupon applied at checkout, but need to make $25 Amazon add-on item minimum.