Elizabeth Silk from Castleford, West Yorkshire who has run up nearly £1000 CREDIT on her pay-as-you-go phone. The pensioner didn’t realise she didn’t need top up’s to recieve calls. See SWNS story SWPHONE; A pensioner spent almost a grand by topping up her phone every time she popped to the shops – despite NEVER making a call. Elderly Elizabeth Silk burst into tears when she realised she had spent the equivalent of almost nine weeks pension by putting cash on her mobile every time she went to buy a pint of milk because she thought she needed credit to RECEIVE calls. Every week retired Elizabeth, known as Libby, put extra money on her Pay As You Go mobile using a top up card leaving the 69-year-old with the whopping balance on a Vodafone mobile she bought for just £20.