Powered by Privy, the Ecommerce Marketing Community is a group designed to let you connect with other founders growing their brands from $0 to $1 million in sales. Join in early as this private group is yet to cross 1,000 members.
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.
Alex Fedotoff runs a Facebook group with nearly 50,000 members dedicated to intermediate-advanced Facebook advertisers and eCommerce entrepreneurs, who are spending $5,000 - $1,000,000+ per month on ads. If that's you, this might be the right place to pose problems and learn from marketers.
The DTC FAM is a small and friendly Slack group of DTC enthusiasts, started and managed by Kristen LaFrance. Join this group to talk about DTC brand marketing playbooks, what's happening in retail, celebrating wins, and generally connecting with friendly people from the DTC community.
Richard Lazazzera of A Better Lemonade Stand runs Ecommerce Entrepreneurs. With close to 50,000 members, the Facebook group is one of the largest forums for discussion, learning, and growth on Shopify, ecommerce, digital marketing, Adwords, SEO, SEM, web analytics, content, CRM, etc.
This group by Justin Cener is a general purpose ecommerce group with over 50,000 members where you can learn about dropshipping, influencer marketing, and using FB ads to build an online business.