Money must be involved in gambling be it directly or indirectly, it is important to note that you have to use your money to bet either you loss or you win that's what makes you a gambler, something must be at stake for it to be gambling if not is not gambling, you most have something that you may loss before you call it gambling.
you are on the right track there is no gambling that does not deal with money and you must to use money before you gamble and they make your profit in gambling elder you lose or you can so money is activation energy of gambling whoever that want to tell you that he doesn't gamble with money that person is telling lie is putting people around him on through so I want to educate you and also encourage others that gambling this with money