1) You will have to deal with people.
2) You will develop relationships with people you have never met. Probably people long deceased.
3) You will likely end up with an abundance of self-taught, pseudo-IT knowledge.
4) Paper is heavy.
5) You will get dirty.
6) You will have to explain what you do over and over again.
7) Parents will expect you to do their kid’s homework.
8) You will tease people about erasing them from the historical record when they piss you off.
Via Karen du Toit