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.
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.
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.
Gabriel St-Germain's private Facebook group for people who are learning about e-commerce, FB ads, IG influencers, and everything in between.
Run by Sugatan, this group is designed for people who already have eCommerce businesses and who want to optimize and grow quickly. Learn about Facebook Advertising, Website Performance Optimization (CRO), Marketing Strategies, Native Ads, Store optimization, Email Marketing and more.
The perfect subreddit for Amazon FBA sellers to have mid to high level discussions about selling on Amazon.