This course was a short, sweet intro to Git. I finished it in 1.5 weeks and spent approximately 18 hours total. I would have spent less time if I could have got the workspace set up correctly (see below).
Sarah and Caroline are excellent teachers, and they keep the class moving at a brisk pace, without overwhelming you with info. You do not need any experience programming or using the command line to follow along. And while at the beginning of class, I thought that I would prefer the GUI to bash. Bash is just so much faster and I am glad that is what they taught.
As mentioned above, my only real trouble in the class was getting the workspace set up, and before that in trying to use Notepad++ as my default text editor. If the directions given in the class notes doesn't work the first time. Make sure that you didn't make any typos. If that is the case, search in Reddit/Stack overflow for the solution. Will save a bunch of time.
Daniel W. Carnagey completed this course, spending 6 hours a week on it and found the course difficulty to be medium.