If you’re headed off to college soon, or know a young person who is, the book “Been There, Should’ve Done That” is packed with tips (995, actually) from college students who have already made the transition. The advice covers everything from dealing with roommates to laying the groundwork for your career. Because the advice comes from different students, you’ll get the pros and cons on various decisions. Example: One student reports that living off campus is isolating; another loves that it’s easier to study and sleep when you’re not in the dorm. ...