Signing up to Dixons email alert service gets you a £30 off £300 coupon for your next purchase.
The code is emailed immediately after signing up and you enter it on the basket page of your next order.
Where: dixons.co.uk
How: Sign up to their daily newsletter by following the Email Alerts Service link on the left menu bar of their home page. Enter voucher code on the basket page of your next order.