At 1.38 odds for Australia to win this is a good pick but if the price gets lower than this, then pick a betting exchange like Smarkets.com and wait for a day or 2 before the match begins and stay patient for someone to offer up a bet to take.
http://bettingbonusestoday.com/news/australia-vs-argentina-odds-tips/
http://bettingbonusestoday.com/news/australia-vs-argentina-odds-tips/