It's expensive
There is not really a systematic sequence, you kind of get in where you fit in.
Classes are only during the day, you have to take them with undergrads
The jump you RIGHT in!
First day of class, they'll be chatting in bio as if you've already got an understanding of something you may not.
Really...it's a rough one. I wonder why I never hear people mention it.
I sat in on a full day, after requesting to do so through the Head of the program, and it was intense for me, even as an observer.