Stage Store offers the Emerson 7" 4GB Android Tablet (pictured) for $49.99 plus $6.95 for shipping. That's the lowest total price we could find for a similar Android tablet by $2, outside of the price below. It features a 1GHz ARM Cortex A9 processor, 7" 800x480 touchscreen LCD, 4GB internal memory, 802.11n wireless, front camera, microSD card slot, Bluetooth, and Google Android 4.1 OS (Jelly Bean).
Of note, H.H.Gregg offers the Klu by Curtis 7" 4GB Android Tablet, model no. LT7035, for $49.99 with free shipping. The tablets have the same specs outside of wireless standards supported. (This one only has 802.11g.)