We live within an easy walk from a huge Tesco. I can pop in on the way back from the school run, and often do. I take the car if I need a huge shop. I go for convenience, not the prices or the customer service
But, am I missing out on great deals or fantastic customer service by going there all the time? I could drive to any of the major supermarkets in neighbouring towns, but there isn't a Waitrose, Lidl or Aldi within 25 miles (we live in the sticks).