I still want to go on record as advising against it.
There are too many things that can go wrong.
You can permanently ruin your career as casino webmaster if players are unhappy and hit the message boards.
At least have enough money on hand to cover it all.
Just recently we had a case here – with the same casinos – and it took them six weeks to pay. The guy got fried on the message boards by angry players who said he stole from them.