[header] How to get a free room in las vegas [title] Sign up for a player's card. [step] A player's card tracks how much you're gambling throughout the night. As you gamble, you'll gain player's points that can go towards free benefits which can include a free or upgraded room. 
You can sign up for a player's card on the casino's website or you can go to the front desk and request one. [title] Give the casino your address when you sign up for your player's card.