HP x4500 Wireless Laser Mouse for $10 + pickup at Best Buy (updated)
Filed under Mouse
Best Buy offers the HP x4500 Wireless Laser Mouse for $9.99 with free shipping. That's the lowest total price we could find by $13. It features 1600 dpi, a scroll wheel, USB receiver, 2.4GHz wireless connectivity, and Link-5 technology (which lets you connect the mouse to four compatible devices using one receiver).
Update: It's now only available via in-store pickup.