If you have a lot of money or enough money but u dont mind to loose some just for relaxation or recreation it is not wrong.
But when u have bad financial status,gambling again is always wrong,no matter what.
having a lot of money doesn't mean gambling becomes not wrong. gambling can make a rich become a poor in no time, it happens quite common and it's wrong.
Yes, I will advise people not to gamble, rich or poor. It is bad in my opinion. But of course, I cannot force you not to gamble. You can do it if you want. Do it on your own risk. All I can do is give you an advise, it is up to you to follow or not. If you get rich or poor on gambling, if it ruins your life, yourself is to blame.