Looks like a fun one. As there is a 12-hour window, how can we as players ensure that there will not be any last minute bet made by the owner in order to be the winner?
I guess I can't really give you more than my word. Unless you can think of a way, all I can say is:
I'm not interested in "winning", but letting people win so they know it's legit and spread the word. Way more profitable.