A report by financial regulators this week revealed the UK's poorest bank users are providing a third of the financial bodies' profits.
A study by the Financial Conduct Authority (FCA) has shown up to half of the profits made by big banks from current accounts come from just one in 10 customers.
This has prompted for calls to limits on the amounts that banks can charged for unarranged overdrafts, which can often see consumers face higher rates of credit than payday loans.
So this week, TFN is asking: Are bank overdraft charges a scam?
Get involved by voting and leaving your comments below.
Are overdraft charges a scam?