Shoppers joked after they discovered you can buy a full jar of Waitrose jam for £1.30 less than the supermarket is selling an empty jar. A jar of the store's own brand raspberry jam will set you back £1.20 - but an empty jar of the exact same size in the same shop costs £2.50.
The items were on sale at the Waitrose store in Worcester this week. On Twitter, people tweeted about the differences. One said: "Clean air is incredibly expensive these days."
Another user said: "I re-use an empty Bonne Maman jar every day for overnight oats. Beats me why people buy new jars."
