To play live 3-card poker online with real-time action and high stakes, start by choosing a reputable online casino that offers live dealer games. Ensure the site is licensed and secure. Once registered, navigate to the live casino section and select 3-card poker. Here, you'll interact with a real dealer via video stream, allowing for authentic gameplay. To engage in high stakes, check the table limits and choose one that suits your budget. Place your bets using the interface, and follow the dealer's instructions for dealing and playing your hand. Enjoy the thrill of real-time action and potentially high rewards in this immersive online poker experience.