Spoiler Doubtful she made enough to cover the whole debt, but she could pay enough of it off that it got the heat off her. I didn't take it that she was a gambling addict so much as just bored and looking for a distraction that got out of hand. They are, after all, in Vegas. It would stretch creduilty if not one of them ran into money problems. The writers might work in an addiction story next season for her. But I can remember when the 'Big Love' writers tried a shopping addiction storyline for Nicki and quickly realized there wasn't anywhere to go with it. You can mention it occasionally, just to prove to the audience you haven't forgotten, but trying to come up with an actual arc would be a challenge.