In the third episode of our mini-series helping you get answers you need to life's everyday questions, we share tricks and tips to help reduce the cost of your weekly shop.We also investigate 'shrinkflation', reveal which supermarket has been crowned our cheapest supermarket for the twelfth month in a row, and answer your questions from social media. Read what supermarkets and shops are doing to help with the cost of living? & sign up to our free Food & Health newsletter.Like what you're hearing? Use #GetAnswers on social media.