I will write a full article on this topic tomorrow. However, I thought you would be keen to see this story from the Daily Telegraph today as soon as possible.
From December, Tesco is to halve the earning rate on the Tesco Clubcard Mastercard. This is currently the most generous Mastercard or Visa for earning Avios points unless you meet the strict eligibility criteria for HSBC Premier.
More on Head for Points tomorrow.