Just been on my xbox and no gold this offer came up, Only valid for 48 Hours!
I have also noticed that if you make a new account you can get 1+1 month for £2 also if anyone is intrested in doing that! :)
To cancel autorenewal:
- Sign in to Xbox.com
- Click 'My Account' at the top, just below your Gamerscore
- Next to Xbox Live Autorenewal click 'Change'
- Press Next, then switch Autorenewal to 'Off' and click 'Confirm.