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I'm just speaking for myself when I say that I'm bringing 'contraband' on board to help defray the costs of my trip. I tend to spend nearly $400-$500 on beverages, shore excursions, pictures...all those cruise extras. So if I can save a few bucks by bringing some of my own beverages, I'll sure do it! Of course, I'll save the frou-frou drink making for the experts, but I think I can handle opening my own brew!