article_snippet: The FCA estimates the scam is costing customers more than £108 million a year in overpayments.
article_snippet: High street banks and other lenders have paid out £18billion in compensation so far – making it the most expensive mis-selling scandal in UK history.
article_snippet: The FCA estimates the scam is costing customers more than £108 million a year in overpayments .
highlights_snippet: Estimated that the scam costs consumers more than £108 million a year .
  