The Can’t-Lose Betting Strategy That’s Taking the Gamble Out of Sports Gambling

TL;DR: Enterprising consumers are using the free money they get for signing up to use online gambling apps to make multiple matching (e.g., opposing) bets on different gambling apps, and keeping the net winnings. It appears some consumers are using multiple email addresses and proxies (e.g., relatives) to sign up. The makers of these online gambling apps may be aware, but they're probably looking the other way because they want to show rapid user growth, profitable or not.

There was a Reddit thread a few months ago that gave a recipe for extracting 7k out of New York sports books with relatively low risk or bankroll. Whitney Tilson highlighted it. If you have a decent grasp of probability and the discipline to follow the model, it is easy