RefurbForLess via eBay offers the refurbished HP 8 1401US 16GB 8" Android Tablet
in White, model no. G4B69AA, for $49.99
with free shipping
. That's the lowest total price we could find for a refurb by $12. It features an ARM Cortex-A7 1GHz quad-core processor, 7.85" 1024x768 IPS touchscreen display, 1GB RAM, 16GB flash storage, 2-megapixel rear-facing camera, 0.3-megapixel front-facing camera, 802.11n wireless, and Android 4.2.2 OS (Jelly Bean).
A 90-day warranty applies, although it's unclear who backs it.