For every heroic story of a Leicester fan raking in huge sums for betting on the Foxes to win the Premier League, there were always going to be a few horror tales of punters who missed out.
At odds of 5000/1, hindsight tells us backing Claudio Ranieri's men might have been worth a cheeky flutter.
But that regret is really hitting home for John Micklethwait, originally from Leicestershire, who told the Daily Mirror how he has put £20 on Leicester to top the table for the last 20 seasons - and remarkably, this year, he forgot.
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He would have earned himself a cool £100,000, almost equalling the record payout so far after a fan cashed out for over £108,000.
The Mirror were also quick to point out just how good those odds were. The likelihood of Arsenal replacing Arsene Wenger with Piers Morgan is only 2500/1, while Andy Murray naming his baby Novak was just 500/1.
The unlucky punter, who forgot to place his bet because he had moved to New York, also revealed he suffered a further blow when he realised he had in fact missed out on £100,000, not £10,000 as he had originally calculated.
Despite the agonising oversight, Mr. Micklethwait will still surely be celebrating Leicester's remarkable run at the summit.
Claudio Ranieri's side can finally defy the odds once and for all at Manchester United this weekend, but they will have to do it without Jamie Vardy, who has to sit out a further game for an FA charge of improper conduct.
It will be one of the greatest, if not the greatest, achievements in football history if they pull it off.
Will you be betting on Leicester next season? Have your say in the comments.