Cooking Depot via Amazon offers Prime members the Lodge 6-Quart Cast Iron Camp Dutch Oven, model no. L12CO3, for $39.30 with free shipping. (Non-members can spend $49 or more to qualify for free shipping; otherwise, shipping costs $13.03.) That's the lowest total price we could find by $20. The lid can be used as a griddle.
BishopTools via eBay offers the Makita 18-volt Cordless Hammer Driver-Drill, model no. XPH07Z, for $83.95 with free shipping. That's the lowest total price we've seen and the best today by $6. It features 1,090-inch-lbs. max torque and a 3-stage LED battery charge level indicator.