The new condition Amazon Echo is now down to $100 with free shipping in either black or white at Amazon by Amazon itself. This is not a lightning deal. You can buy as many as you want.
Of deals interest, Alexa-enabled devices open the door for the Alexa Voice Ordering deals. In addition to the products shown there, they occasionally have general discount offers (eg $XX off a purchase made with Alexa) or gift card promotions and such. Amazon is making a big push for Alexa, and Amazon’s tried and true method of getting more and more people to use something is to keep offering discounts and special promotions.