I doubt very much that a user would deposit & wager 10BTC just to achieve free 0.00002 per few minutes...
In fact you dont need to deposit with huge amount if you only want to wager 10 btc. You could easily do it with just few btc and alot of time to do that however with autobet on the site , it is very easy to do so so it is actually quite worth it incase that you habe no other important things to do anymore