Prime w/ Alexa: Fire Tablet 7 (8 GB) – $29.99 / Fire HD 8 (16 GB) – $49.99 + Free Shipping

Prime w/ Alexa: Fire Tablet with Alexa, 7" Display, 8 GB, Black – with Special Offers $29.99 + Free Shipping
Prime w/ Alexa: Fire HD 8 Tablet with Alexa, 8" HD Display, 16 GB, Black – with Special Offers $49.99 + Free Shipping
Amazon.com has these tablets for on sale with additional discounts if ordered by Alexa.
For the 7", you must order with Alexa by saying "Alexa, order a Fire Tablet with special offers." https://www.amazon.com/gp/product/B00TSUGXKE
For the 8", you must order with Alexa by saying "Alexa, order a Fire HD Tablet." https://www.amazon.com/gp/product/B018SZT3BK
Note: Available to Prime Members with an Alexa Enabled Device (Amazon Echo, Echo Dot or Tap).