How many percentage you have completed?
Once I busted for 2.1X rollover, the other time I busted 30X rollover, used a arbitrage method, but still busted.
Almost impossible to withdraw from them and complete the wager requirement if don't deposit money.
it will be hard to complete the wagering requirement, i got 2 of the free codes before and busted them all in slots, playing at roulete will need you to wager 45 btc before you can withdraw it which will take quite some times since wager contribution for it is 10 %, only completed like 10% before i busted them all out, which was fun to try out i think
yeah, european roulette has 2.7% house edge, and only contributes 10%, it means that casino has confident most people won't hit the wager requirement 35X-50X with this 2.7%*10 = 27% house edge.
Slot has even higher house edge, about 50%. That's why most people busted only 2X rollover if they only play slots.
the wager requirement for my bonuses was 4.5 btc which if you play at roulette onl, you will need alone to wager 45 btc, people could actually hit this but it would take quite a while to reach that with the chance to bust your bankroll halfway, btw where did you get the 50% house edge number?
My friend owns a dice site, he told me there is a formula:
house edge * wager amount = casino profitFor example, dice has 1% house edge, the theoretical casino long term profit is: 1% * wager amount. If a site has a 10k wager in total, the theoretical casino profit is: =10k *1% = 100btc.
Therefore I use that formula to estimate the house edge of slot. I have 0.1btc as principal money, I wagered 0.2btc in total and busted, casino profit is 0.1btc. house edge = casino profit / wager amount = 0.1 / 0.2 =50%.
But this is just my estimation, because I have only 1 case, maybe the figure is too high. In general, thousands of tests can estimate the real house edge.
The lowest game in casino blackjack, house edge is under 0.6%, it means that if you play 1000 hands, casino can win (50%+0.6%) *1000 = 506 hands, you win 494 hans, casino earns 506 - 494 = 8 hands in 10k hands.
That's why most casino don't allow us to play blackjack with the bonus money, only higher house edge game can be played using bonus money. PS: I just find a link which shows all casino games house edge.
http://wizardofodds.com/gambling/house-edge/ It shows slots have 2%-15% house edge, even 15% is also very crazy.