To play blackjack like a pro, start by mastering basic strategy, which outlines the best moves based on your hand and the dealer's upcard. Always manage your bankroll wisely, setting limits to avoid significant losses. Learn to count cards, as this can give you an edge by tracking high and low cards remaining in the deck. Stay disciplined; avoid emotional decisions and stick to your strategy. Finally, practice regularly, whether online or with friends, to refine your skills and boost your confidence at the table.