Logitech Wireless Optical Mouse for $10, and tossing in free shipping. These retail for $30, and is $9 less than the nest best offer online.
The mouse might be almost forgotten in today's mobile and tablet world, but it sure makes life easier. This little compact guy makes it easier than easier, since it's wireless (and tiny). You don't even need a mouse pad. Just plug the sensor into your USB port and you're ready to roll.
Click here to view the offer at Best Buy.