It's not a simple yes or no answer on whether you should bet on the favorite in a given matchup. It's a matter of value. If you think a favorite is being undervalued by the oddsmaker, then you should consider betting on that team.

The fundamental reason why all martingale-type betting systems fail is that no amount of information about the results of past bets can be used to predict the results of a future bet with accuracy better than chance.

Legality of Online Sports Betting and Lotteries\n\n While online casinos and pokies operating within Australia are prohibited under the IGA, online sports betting and lotteries are legal in Australia, provided they are offered by licensed operators.