He managed to win 100k from the little he was able to summon up courage with.
What's the best way to overcome the problems of uncertainty and hesitation when determining an amount to wager?
Hesitation can end up in many missed opportunities in life, however gambling is one scenario that is hard to frame. I'm not sure how or when those odds arrived in the match, because they were leaning towards 2.50 vs 3.90 most of the game that I was watching. While I have definitely seen some interesting odds and worthy bets that only appeared live during sports events, you always have to keep in mind that the gambling companies have vast arrays of hardware that are using all sorts of data inputs to assess what the best odds are to offer. The average person is going to find it almost impossible to outpick that sort of reasoned analysis on a consistent basis, so maybe he got lucky this time but he could easily throw it away in future due to misplaced overconfidence.