Counting of cards is a trick reserved for experienced blackjack players. It is a principle that you must learn before applying. Whether card counting can earn you huge profits depends on a variety of factors. Some of these include the size of your bankroll, skill level, quality of blackjack games you play, and your overall ability to take risks. If you have all it takes, you might manage to make around one percent of your total bet in the long run. To ensure the card counting method works for you, opt for options like Hi-Lo, Zen, K-O, and others.