These services can host your content on their servers free of charge, but in exchange for that zero cost, your online destination will have a less-than-elegant domain, such as jeffreylwilson.tumblr.com. That might be fine for a personal blog, but it will look too low-rent for a business that wants people to trust it enough to pay for whatever it's selling.
Finishing the development of an application is still far from ending it. During the recent years, users have learned to expect a full-fledged, complete setup solution bundled with your product---and as the setup is the very first part of the application the end user becomes acquainted with, the importance of its integrity and reliability cannot be overestimated.
Website builders let you build online stores with ease. For larger ecommerce ambitions, we recommend an ecommerce-specific platform like Shopify or BigCommerce which have the best tools to help your business grow. If you’re just looking to sell a few products, you can choose a ‘generic’ website like Wix which has ecommerce functionality. Take a look at our online store builder comparison chart to find your perfect match.
After you choose a website builder and a theme, take some time to learn how to use and customize these tools. Once you feel comfortable, start making changes. Some easy changes to start with are to add your name, logo, and contact details. Then, change the text font and color, add image galleries, background pictures, banners, and other site enhancements.