Originally Posted by CCuster_911
Also 25$ is not nearly worth the effect you could have on the grading curve...if you really want the notes you cant mess up your first offer. I would throw out a number like 140$, which may be a little high, but its better than being a little low and pissing the person off who you are attempting to get notes from.
Ignore all other advice. They are trying to make a fool out of you in your class.
Actually if you are going to go the bidding route I agree with this. If you bid too low someone might intentionally give you wrong notes or round up classmates to jump you in an alley or something.