Why These Documents Circulate So Widely
They cost nothing to produce, nothing to distribute and they carry the authority of being written down. A pdf implies effort and permanence in a way a message does not, and the format itself does a great deal of persuasive work before a single page is read. Most of them also collect an email address or push a referral link, which is the actual business behind the free download.
The methods inside are old — the doubling system predates the game by two centuries and has been described as a guaranteed win for all of that time. Its reappearance here is not a discovery about big small; it is a very durable piece of arithmetic that omits the size of the tail.
What to Do With a File You Already Have
Read the bankroll chapter and delete the rest. If you want to check one of the four systems against reality first, the hundred-round sheet on the testing page applies unchanged, with skipped rounds logged rather than dropped.
For where downloadable methods sit alongside apps, bots and channels, start at the home page.