r/ecommerce is a subreddit for anyone interested in the operations of ecommerce websites. Ask questions, have honest and helpful discussions on marketing, seo, products, checkout, conversions, etc.
A very vibrant and honest community of entrepreneurs who share their business challenges, wins, failures, learnings and more. A perfect place to see things from an entrepreneur's POV.
The Ecommerce Group run by John Lawson is a slightly niche group with around 8,000 members. Join in to discuss strategies and tactics that can help you maximize profits with your Amazon, Shopify and Ecommerce business.
If you're new to the ecommerce game and just about to make the plunge, Shopify Newbies is a strong group with close to 100,000 members that can help you get started on your Shopify ecommerce business journey.
A collaboration-focused Slack community of Shopify and Shopify Plus partners. This invite-only community has almost every significant person from the Shopify partners community. If invited, the group charges a $149 quarterly fee.
While not specifically about ecommerce, r/smallbusiness is a great place to ask questions and learn from others who are starting, owning and growing a small business.