Get a Samsung Galaxy Tab 3 for $49.99 and free shipping with a 2-year contract at Sprint. Data plans start as low as $5 a month and there is no activation fee making this not only the cheapest 4g plan we could find for this tablet, but also the best price by $150. The galaxy Tab 3 is Samsungs newest tablet. It runs Android 4.2, has 16GB of storage, a 1.7Ghz dual-core processor, micro-sd slot, built-in WIFI, a universal remote app and more. Sales tax is charged in most states.