Shoppers at supermarkets such as ASDA, Tesco, Aldi, Lidl, Morrisons and Sainsbury's have found themselves in a heated argument over an unwritten 'rule' that allows people to skip to the front of the queue. Some people are happy to follow it, but others aren't so convinced.
The 'unspoken' rule apparently says shoppers with many items should let those with only a few go ahead of them. While many say they would let someone go before them if they didn't have much, others say they should 'wait their turn' - or that it depends on their circumstances.
Shoppers have been sharing their opinions on the Extreme Couponing and Bargains group.