Though you should never believe anyone selling a system guaranteed to beat the lottery, there is one strategy called "Wheeling" that can improve your odds within a group of numbers. All wheeling techniques require playing several or all the combinations of a set of numbers and therefore spending more money. If you could buy all 18 million number combinations in the 6/51 lotto, you'd have a guaranteed win -- but it would cost you $18 million to play. So, many people form clubs and buy so-called "abbreviated wheels". For example, if you were to "wheel" all the combinations in the numbers 1 through 18, you would improve your odds of winning to 1 in 970 -- if the winning numbers fall within your group of 1 through 18.