hiya , i know this has ben posted before but i cannot seem to find it on ere now. when you use the litttlewoods codes , how does it work .? I used one the other day £20 off £4o spend. The item i ordered was £52 so i expected it for £32 Although the 52 has been taken out of the bank and it says item 52 on the advice note that came with it is this right ???