Core Insights - The rise of "door-to-door sports training" services reflects a shift in market demand, driven by increased emphasis on fitness and health investments by parents [1][2] - The flexibility and convenience of these services appeal to parents, especially during the summer, as they save time on transportation and offer personalized training [1][3] - However, there are significant concerns regarding the qualifications of trainers, safety during training, and the lack of regulatory standards in the industry [1][2] Industry Overview - The "door-to-door economy" is expanding, encompassing various services from cooking to elder care, driven by the fast-paced lifestyle of consumers [2] - While the convenience of these services is attractive, they also pose risks such as food safety, financial loss, and privacy breaches [2] - The industry faces challenges similar to those experienced by traditional home services, where finding reliable providers remains difficult despite years of development [2][3] Regulatory and Quality Concerns - There is a pressing need for improved industry standards and regulations to ensure the quality and safety of services like "door-to-door sports training" [2][3] - Questions remain about the verification of trainers' qualifications and the compliance of equipment used in these services [2][3] - Strengthening industry self-regulation and enhancing service quality are essential for building trust and ensuring the sustainable growth of the "door-to-door economy" [3]