Someone has cleverly said that the people who actually make good money are the makers and sellers of the items. Everybody else is just working for those makers and sellers. Being the source of a good quality product always wins. It might be shirts, furnitures, tools, podcasts or an Ebook.
You must be confident that what you sell is the best product. Subsequently you can sell it online. You should also make a way for people to find your items. You can either built a website or offer it on sale on other websites. Start from there and build your business slowly.
When your items start selling, you’ll earn what every person earns, that is passive income. You will always be reachable and open online at all times. The income will be decided on how useful and valuable the product is. When you think it as the best product, more money will come in.