Inishowen, I'm sure if you had phoned Customer Services, they would have given you a refund on your next visit. You could also take a picture on your phone as proof. Our Tesco have been very good like this, although I didn't have a camera phone at the time, just took in the receipt for the purchase in question.
Talking to people in wheelchairs


not Waitrose! I usually buy 2 litre milks either at Sainsbury or Waitrose and the dates tend to be possibly a week hence, but will make sure to check carefully in future.
