How many times in your life you did arbitrage betting? With the odds being almost identical in all sites it's very hard. I have accounts in 5 betting sites. and my biggest arbitrage was odds 2.10 and 2.10. 10% win. You need to have lots of money in all that accounts to even consider winning from arbitrage. I know some people that have over 10 000$ per account. Unfortunately I have hole in my pockets and can't do it the same way.