It varies for me. I am a bit over half way through. I think I spend on average 10-20 hours a week doing work for the class. But I typically am the type to burn

It varies for me. I am a bit over half way through. I think I spend on average 10-20 hours a week doing work for the class. But I typically am the type to burn a weekend doing a project then do not much work for the next week.