I am currently using Shopify. I don't have inventory yet and was referred to shopify. What is the difference between shopify and others? I read the article and they all seem to be about the same with only slightly different pricing and one or two different features. Is shopify the most popular? Thanks
Shopify is definitely the most popular. They vary in ecosystem, ease of implementation/customizability, price, and themes. I'd say that Shopify is a great choice for a beginner/intermediate level ecommerce entrepreneur. I tend to see more advanced ecommerce entrepreneurs to migrate away from it, but they do also offer some enterprise-level functionality.
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Something worth noting is that Shopify is one of the fewnmajor ecommerce sites with packages that include mobile, online, and in-store solutions.
Sites like Volusion or Big Commerce generally do not have in store functionality or mobile. You should definitely do your research though and compare pricing, see where your niche tends to flourish the most and which has the best interface for your needs.