Pros: Don't have to do anything afterwards.
Cons: Depending on the school, most of your teachers will expect more of you than what you had to do in physical school.

Pros: Work is usually multiple choice.
Cons: Teachers are bad at getting back to you.

Pros: You can go back through everything another time and studying is a little easier.
Cons: Work piles up easily. If you miss even one day you will have work to do for the next several months.