Whatever it is you sell, bring down the cost of materials and streamline the manufacturing. Think of them as your first impression. If you can get your costs under control you can make a killing. The hourly pay for most Etsy shop owners likely means it is only a great side hustle if your craft is something you would already be doing anyway. I make wreaths and have considered starting a shop but right now this is just a hobby. She sells printables which allow her to have higher volume and less hassle with shipping. The quality of their creation is of highest priority.