Amazon has kicked off its spring sale with a big discount on its Fire TV Sticks, but there’s a way to cut prices even further. The retail giant is running its annual Spring Deal Days sale from March 10-16, which has seen 40% knocked off the Amazon Fire TV Stick HD . It’s reduced from £39.99 to £23.99, but shoppers can get it for less than £8.50 by combining two deals. To do this, customers just need to sign up for a free TopCashback account , as this comes with a £15 sign-up bonus for new