You have to be careful with this strategy though. DS was a senior this year. He had satisfied most of his major requirements and wasn’t sure of which courses he wanted to take for fall semester. There were a bunch he was interested in, but he couldn’t narrow it down. So he signed up for 2 extra. He still couldn’t decide between them two weeks into the semester when it would have been good to drop a couple. Then found himself in trouble a month or so later when he was behind in all of them. He was still able to drop a couple, but he couldn’t catch up all semester.