Source:www.shapepostcards.com
There are almost as many "betting systems" as there are gamblers.
Some of these systems work, more or less, some of the time, and some appear to work, because of luck.
There are however quite a few professional gamblers who actually earn a significant income so they must have a system or a method that works more often than not.
Here's a report on successful pro gambler, declan Meagher, who shares some of his gambling and betting secrets.