The most useful thing that I did in any of my undergraduate courses was to make a point to go to all of the office hours offered. No matter whether the office h

The most useful thing that I did in any of my undergraduate courses was to make a point to go to all of the office hours offered. No matter whether the office hours were with the professor or a TA, I made a point of going, asking any questions that I had, and showing them the methodology that I was applying to a project/assignment/etc... While I can't guarantee that this resulted in better grades, I know for a fact that the professors who I built relationships with during my undergrad have been incredibly helpful during my career!!