it is definitely not wrong, people earn their own money and they can do whatever they want with it, in my opinion no one should tell people what is wrong and what is not if its legal
Well it is just going to be wrong if you are getting worst with it. You are exchanging your family for gambling then that is the case that it turns wrong.
But if you know your limits and priorities there you are still on the normal thinking. Make sure the you are going to set goals for yourself.
Before you are going to gamble.