I took a few (it was my minor off my double major, and I lucked out with my Professor who did an economic focus with his politcs classes that they counted as credits for both departments)
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I have 500 in credit card debt by choice. mostly to build credit, but can be paid off if I want to. I do usually buy in cash though as habit. I just do not understand how people can rack up to 16k. I currently do wotk in my law schools tax clinic, and its insane how much money people spend on credit cards.