Just received this email from Quidco for a 1 day only cashback offer from M&S
Here's one you won't want to miss. Marks and Spencer will be having a 'flash sale' cashback offer in the middle of this week, so save the date for your shopping. You can earn a generous 10% cashback on your purchases from 6pm on Tuesday to 23.59 on Wednesday only. Quidco Exclusive.