Using code TDX-TH6W, you can knock £10 off your Tesco Direct shop when you spend £75 or more. Resultantly, feel free to grab the 8GB Motorola Moto G for £95 instead of £105. Nice.
Comes locked to Tesco Mobile, but can be unlocked for just a few quid.
(Thanks to 4cx250f at HUKD)