Group 1 - The article discusses the potential of selling virtual materials on platforms like Xiaohongshu as a side business, highlighting its low entry barriers and ease of operation [6][7][13] - It emphasizes that individuals can monetize their existing knowledge and resources, such as teaching materials or professional templates, without the need for inventory or shipping [7][9] - The process of setting up a store on Xiaohongshu is straightforward, requiring only a phone number and ID, with a refundable deposit, making it accessible for many [8][13] Group 2 - The article outlines two main categories of products that can be sold: work-related materials and personal interests, allowing for a diverse range of offerings [9] - It provides practical tips for sellers, including the importance of modifying materials to avoid copyright issues and managing customer interactions effectively [11][13] - The potential earnings from this side business are modest but can provide supplementary income, making it suitable for students, stay-at-home parents, and full-time employees [13]