Ad after ad. It almost seems as if every commercial break relays the same message: you too can win money by playing daily fantasy sports! Daily fantasy employees accused of misusing insider information Like fantasy sports games in general, DFS involves assembling a team of players and accumulating points based on how well those players statistically perform over a period of time. DFS games depart from the traditional model of fantasy sports games by occurring over a relatively short time period, often just a day or week. If you have the most points at the end of the day or week, you win your DFS game. And, as the TV ads enthusiastically tell us, you can win a lot of money by playing DFS, even thousands of dollars. Unsurprisingly, the ads are quieter about another possible consequence of playing DFS: you can lose money, perhaps a good amount of money, if you play DFS often and keep losing.