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Core Insights - The article discusses the concept of "private domain" sales, where products are sold through trusted social circles rather than traditional advertising methods, leading to significant cost savings for consumers [4][5]. Group 1 - The term "private domain" refers to communities built on word-of-mouth and repeat customers, avoiding one-time sales and focusing on customer loyalty [4]. - A specific example is provided where a seller, referred to as "希妈," offers products at significantly lower prices by sourcing directly from manufacturers, eliminating middlemen and platform fees [5][6]. - The seller emphasizes transparency and customer care, advising customers on product quality and quantity, which contrasts with typical aggressive sales tactics [6]. Group 2 - Customers report satisfaction with the quality of products purchased through this private domain, noting that they received items that exceeded their expectations compared to more expensive alternatives [6]. - The article highlights the shift in consumer perception regarding value, illustrating that lower prices do not necessarily equate to lower quality when middlemen are removed [6].