The online fantasy sports industry has experienced stable growth every year, topping more than $7 billion of annual revenue, generated by more than 59 million users in the US and Canada in 2017 alone. It’s not just user base that grows, but also their spend on fantasy league-related costs, single-player challenge games, and league-related materials. For example, the average fantasy player spent approximately $556 on his or her sport in 2017.