1. Understand the concept of probability: In both gambling and trading, it is important to understand that each individual outcome is uncertain and unpredictable.

2. Believe in the Law of Large Numbers: Despite the uncertainty of each individual outcome, if there are enough samples or trades, the overall results become more predictable and consistent.

3. Take advantage of the edge: Professional gamblers and skilled traders both aim to have an advantage over others. By utilizing their expertise and skills, they increase their chances of winning.

4. Accumulate a large sample size: In order to have consistent and reliable results, it is necessary to accumulate a large number of samples or trades.

5. Combine expertise and strategy: Both professional gamblers and skilled traders employ strategic thinking and analysis to maximize their profits.