This deal has ended.
Buy.com drops the price of these Michelin Smart Jumper Cables from $39.99 to $18 with free shipping. The next-best price we could find was $8 higher. They feature an LED light which indicates when you have your cables connected correctly, eliminating guesswork. They also have a built-in surge protector to prevent damage to your car. There is no sales tax (except CA, MA, MD, NY, TN).