50% off in Continente hypermarkets, Portugal
Joao writes: "19th and 20th of November you can buy LEGO for 50% off in card rewards at Continente hypermarkets. Those 50% can later be applied towards anything in the store, such as drinks, yogurts, fruit, fish or meat that you were going to have to buy anyway or... more LEGO. "
Which I think means if a set costs €10 you get card rewards worth €5 in return that you can then spend on more LEGO. Sounds like a good deal to me!