While the the best of them offer surprising amounts of flexibility, they also impose stringent enough restrictions to page design that you shouldn't be able to create a really bad looking site using one of these services. Typically you can get a Mysite.servicename.com style-url with no commerce abilities for free from one of these services; you have to pay extra for a better URL and the ability to sell. One issue to consider is that if you eventually outgrow one of these services, it can be hard to export your site to a full scale advanced web hosting like Dreamhost or Hostgator. If you know that's where you are eventually going, it may be better to skip the sitebuilder step.
More-advanced options found in some builders let you process credit card payments and add your own cart and checkout pages. The more-powerful site builders include product promotions, email marketing, and inventory and shipping tools. Some let you sell digital downloads, while others don't; see the table above to find out which do. Only a couple of these builders let you put ads on your site, though most of them allow some degree of custom HTML code insertion.
Shopify’s primary focus is ecommerce, so they are specifically geared toward building this kind of site for as little as $29 a month. There is also a ‘Lite’ plan available for only $9 a month, which allows users to add a Shopify buy button to an existing site (which can be on another platform). Importantly, the industry- standard encryption SSL certificate is included with all their sites.
The Best Way To Build an eCommerce Website (Online Store Shop) - 2020