If OP is so confidence that he made this casino to be in minus house edge than it probably means that he is sure that it will gain some profit. Many new dice sites cant stand out the competition because the sites offer nothing innovative but rather the same copy feature of the old dice sites

If you do some counting based on the house edge and the wagered status, the status is not in the favor of the owner or investor but to the players but still we wont know the result of the investment since it is still new as the site could make some profit in the run.

EDIT : sites on profit for now