Whenever you're ready! The lessons are available online any time, and your access to the class never expires.
The socks in this class are knit from the toe up, but Donna has another Craftsy class all about that method: Knit Original Cuff-Down Socks.
As long as you need! Your access never expires, so you can come back again and again.
Ask your questions on the platform and you'll receive instructor feedback. Your fellow students are also likely to jump in and offer advice from their experiences.