Whenever you're ready! The lessons are available online any time, and your access to the class never expires.
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.
While this class is taught with dog behavior in mind, all of Anthony's techniques for lighting and composition are applicable to any pet you have: cat, bird or even hamster!