C'mon, it's better than running a library – and you'll score some seriously good value ingredients.

We’ve been glued to Arthur Potts-Dawson’s People’s Supermarket on Channel 4. It’s taken them a while to agree on what to stock (Potts-Dawson take note – 75p a pop unwaxed lemons are not cutting it) but it’s a brilliant idea based on Park Slope, a hugely successful New York coop. But the People’s Supermarket is not alone – up and down the country, in universities, schools, workplaces, community centres and church halls communities are clubbing together, taking control of where their food comes from and getting great discounts.