"When placing an accumulator bet one is hoping that some or all of the selections are successful, hopefully getting a good return for your money. The next important factor is to try and ensure that your investment is returned, so that you aren't out of pocket. The problem with bets like Yankees is that there are so many accumulators that it can become expensive. If only one or two of your selections are successful you may not get your investment back due to the small stake placed. This is why your local or online bookmaker loves to promote these fancy multiple bets  you are on to a loser before you start". With this method you have a chance of a Massive Jackpot Payout.