Yes, you can play online slots for real money at licensed casinos in states with legal online casino gambling. These sites offer a wide range of options where players can bet and win real money. These winnings can then be withdrawn from the casino through various banking methods.
There may be no such thing as a free lunch, but there are free drinks when you're in downtown Vegas and you're gambling! Casinos downtown serve drinks to gamblers free of charge. Different casinos have different policies about free drinks, so make sure to ask a bartender or cocktail waitress about the policies.