I'm sure this question has been discussed a lot so forgive me for asking again, but I have more OBC's than we will use on an upcoming December cruise so I would like to apply some of it to the casino.  If I use my ship's card to get chips in the casino will that charge to my cabin be treated as just another hotel charge?  We were just on the Oosterdam in Alaska and had $400 in OBC's which were applied right at the top of the bill and everything we spent was net of that credit.  I didnt use my ca