Percy Pig fans assemble. Marks and Spencer shoppers can earn a free bag of sweets every month by participating in a sustainability scheme - a real win win.
As a thrifty mum named Maria demonstrated in a now-viral Instagram post, customers who recycle their clothes can reap a tasty reward.
Simply take your pre-loved clothes to your local shop's Shwop bin, scan the QR code, and then check your Sparks app, as per @thismumsavesmoney's video.