Products featured in this Mail Best article are independently selected by our shopping writers. If you make a purchase using links on this page, we may earn an affiliate commission. The Amazon Black Friday 2021 sale is here and if you've been considering buying a smart display or a smart speaker with Alexa then there's never been a better time to invest. Amazon has slashed the price of some of its bestselling gadgets and devices, with discounts of up to 56 per cent, so you can make your home smarter for less. In fact this Black Friday sale has some of the cheapest prices we've ever seen for Amazon devices including just £18.99 for the Echo Dot, the Fire HD 8 Tablet for £39.99 and the Echo Show 5 for just £39.99.