I'm waitlisted at 2 schools, and I'm not giving up yet, but I'm trying to solidify a Plan B. If I don't get in, I want to reapply for next year. I want to take classes to erase any doubt about my slightly lower GPA (3.4 overall). Any advice? I work at Emory and get classes for free, so should I take graduate classes, or re-take pre-med classes I didn't do as well in?