https://www.youtube.com/watch?v=zTsRGQj6VT4
Numberphile is a YouTube channel that explains mathematical concepts for the layperson.
They just did a video on Martingale. One thing I didn't realize is that, even with a hypothetically infinite bankroll and infinite table limits, your odds of doubling your money are still < 50%. As they explain, it works out to be 1/e.
Maybe blackjack really
isn't my game.