Pays to be sceptical especially something for nothing type deals. Strikes me as similar to stock picking tips where the tipster disappears when wrong but claims credit if it goes up
There is no such thing as a fixed game. Those who have info about fixed games surely won't give it to others. The more people bet on some event, odds drop. Nobody is that stupid.
I've read rumours of fixed matches being arranged regularly and its always possible in any sport, its happened most publicly in Cricket afaik but the information being widely available makes the advantage drastically reduced surely. I thought the thread must be talking about fixed odds