Other than the dye mixes, soda ash and a good dust mask and gloves, you probably already have everything you need to dye cloth successfully. A dye kit including Jane's preferred brand and color selection is available from the Craftsy supply shop.
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.