All new dapps could have an added value! Yes the total amount of wagers needed to reach Bronze is not shabby! But I will give it a shot. The house has a 1% advantage on Blackjack, with a decent strategy you can decrease this to 0.5%. Meaning that for each 100 steem wagered you should get around 99.5 steem back.
At the moment I am running with a loss of 60 steem, but that was my own fault! Will try to win it back in a smarter way!

Cheers,
Peter