Squandering £2.5 billion in tax we needn't pay

David Cheskin/PA Archive/Press Association Images

Avoiding tax is generally thought of as the preserve of the rich - those who are wealthy enough to employ an army of accountants and tax planners, and jet off to a tax haven for half the year. However, this is far from the case. All of us could save a small fortune on our tax bills if we took advantage of one simple rule.

In fact, between us we could save £2.5 billion.