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.
The official Facebook group run by WooCommerce with 35,000+ members is a place for store owners, managers, WordPress developers, and WooCommerce enthusiasts on Facebook to connect, share ideas and inspiration, provide each other with support, and empower each other to build and grow their ecommerce businesses.
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.
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.
This is the official Shopify Community forums where partners and merchants meet to discuss ideas, get feedback and help, and learn from each other.
Welcome to the Ecom Queens Community, with 50,000 creative eCommerce entrepreneurs including Etsy Sellers, Shopify website owners, and business owners on many other platforms and marketplaces.