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When you say "live" do you mean am a resident of because I don't physically live in Maryland. I live and work in Oklahoma. Due to state regulations, I cannot change my address and become a state resident of Oklahoma as I am only here for school, but I am here 12 months a year.  Last year when I went to file I was getting a large return from the state of Oklahoma and then when I added a Maryland return I owed money. I am confused on why Maryland would be taking much more than Oklahoma when I never worked in Maryland.