Meritline offers the refurbished Logitech Ultrathin Bluetooth Keyboard Cover for iPad 2nd-, 3rd- and 4th-Generation in Black, model no. 920-004013, for $69.99. Coupon code "MLCKS27YNL1" cuts it to $56.99. With free shipping, that's $22 under the lowest total price we could find for a new one. This aluminum 64-key keyboard is 8mm thick, doubles as a stand, and includes a microUSB port with charging cable. Coupon expires after 50 uses.

Note that no warranty information is provided.