crafts to make and sell

This is not a waste of time. You'll learn specific strategies on how to sell on Etsy that will get you focused the right way to implement everything you are learning. If you want to learn style, presentation, business branding, marketing strategies and online Search Engine Optimization this is a good guide. It has a business form exercise that helps you focus on the important things about your business and niche so that you can market to your clients and customers better.