Am I wrong to be upset with my wife for not keeping up the home?

We have two children, 4 and 1, and she stays home full-time. I work very hard and am a good provider, and I'm very frustrated. Our house is a wreck, the laundry's never done, and the groceries I request are never there. She cooks, in that she'll buy food to cook and start cooking when I get home, but often I end up doing it. I cook elaborate meals for her, take her out often, and help where I can, but am I bad person for wanting to come home to a clean house, a warm meal, and some relaxation? I don't depriv her -- housecleaner biweekly, top preschools for the kids, new car, all the salon/spa treatments she wants, I pay for all her lunches out, clothes, etc. She's GREAT with the kids so no complaints there, but am I selfish for feeling I'm getting the short end of the stick? I handle all finances, all decisions about education, all saving, and we travel extensively. It's not that she's missing her career - she was in retail. I resent her lunches, playdates, and zero housework.