For luck based games, it could be true but for sports betting I think you can win more than your loss.
In sports betting yeah it's different you can analyze and have your strategy on what to bet. For some gamblers it's possible for them to have more wins but for me, it's difficult.
Well you just need to study the market and some specific straties even for sports
I tried to listen and follow some before but I think that's not really for me. Well I do it for my own entertainment and that makes me feel better now.