Can I register for more than 4 classes then drop the extras during the first week of the semester?
Possibly, but please don’t. Workday (Amherst’s system for course registration) does not allow you to register for more than 4.5 class credits without special permission. This is intended for people taking multiple half-credit music classes or taking an increased course load out of desire or necessity (to fulfill major requirements, for example). It is better to “shop” (sit in on) a few extra classes that you are interested in during the Add/Drop period, then switch your registration to match what you have decided you want.