Are you guys looking for the best rates in the market when deciding to buy/sell Bitcoin or you're bond with the certain exchanges where you have an account?
Instead of getting good results by looking for the best rates, it might destroy your whole funds in the process.
It's not that arbitrage isn't a good method after all but for that to be effective, it needs lots of things to consider. It's not advisable for beginners.
Before we go technical here, what's your goal? We might have a good suggestion instead of playing around with the arbitrage method.