In every variation, the scammer is promising obscenely large payments for small unskilled tasks. This scam, like most scams, is too good to be true. Yet people still fall for this money transfer con game. It is a desperate cry for help in getting a very large sum of money out of the country. A common variation is a woman in Africa who claimed that her husband had died, and that she wanted to leave millions of dollars of his estate to a good church.
