The Kindle Paperwhite is currently £89 at Tesco Direct (£109 on Amazon), but you can get it for £81.20 or possibly even slightly less if you're clever...
Step 1) Add this to your basket, along with the Babyliss For Men 3-in-1 Hygienic Mini Trim Blue (£10) and Energizer HighTech 4 Pack Alkaline AA Batteries (£2.20), total £101.20.
Step 2) Apply the code TDX-PKJK to take off £20 from a £100+ spend (works on existing accounts).
Step 3) Total to pay = £81.20
You can use any combination of qualifying technology and home electrical items to get the total to £100, I've used this as an example as it's what I ordered and it worked. So you not only get a Kindle Paperwhite for the best price around, but a free gift(s) as well too :)
Free home delivery, or click & collect in store.