Sure bets

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http://www.ubuntux.org – Betting arbitrage or sure bets is a case of a betting system arising on betting markets due to either bookmakers' different opinions on event outcomes or plain errors. The bettor can make a profit simply by placing one bet per each outcome with different betting companies. Betting arbitrage (simply called an arb) is typically around 2%, sometimes less, sometimes slightly more. In special cases you can find arbs of 5% and even 20% - but these arbs happen only by an error and are very risky to bet. If you would like to get some income from betting arbitrage you should bet with r (Distributions)