Would really be just common sense that you do need to know a certain game if you do consider out on making some sports bet rather than have no knowledge at all.
You are just trying to guess randomly without any basis which it is better to play dice rather than on wasting your money on a bet which you arent even sure off
it would really have some win.It is something not really enjoyable at all.
It only means that you are wasting your time betting randomly due to no knowledge about the sports. I would definitely agree that it's better to play dice game as it is 50/50 and don't need much thinking if which one to bet. I have tried betting on sports (racing) without knowing the background of the racer so most of my bets are not winning all the time and some did win because it's just because many people are betting on the racer but it doesn't mean I would win. Knowledge comes first as you have said rather than wasting money.