Sainsbury's shoppers who 'shop weekly' will be handed free £305

Sainsbury's shoppers are saving a whopping £305 every year - all by owning a Nectar card. The findings in the latest Which? study found Sainsbury's Nectar card holders can reduce the cost of a £129 shop to £123 each and every time. Aldi has yet again been named the cheapest supermarket in the UK, with an average household basket full of groceries and other essentials coming in at £110.58 in August. Lidl came a close second, with the same basket …