Reselling tickets for the Games has been made a criminal offence by act of Parliament, but touts are trying to circumvent the law by using foreign websites to offer seats for sale.
And the going rate for a top-category AA seat for Sunday night's athletics session - at which Usain Bolt's attempt to retain his Olympic crown will be the highlight - is more than the average monthly take-home salary in the UK.
An investigation by the Daily Star Sunday found four seats for the Olympic Stadium being advertised for just under £6,400, while even single tickets were being advertised on sites such as Ebay and Craigslist for £1,500 each - despite single tickets normally being notoriously hard to get rid of.
What will people get for their money? Well, in addition to the men's 100m final, those in the stadium will also be able to watch the semi-finals and the women's 400m final - featuring Britain's Christine Ohuruogu) - while golds will also be decided in the men's hammer, the women's triple jump and the 3000m steeplechase.
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