“开锁刺客”乱象该如何规范？消费者该怎样保护自己的合法权益？

Core Viewpoint - The article highlights the issue of "sky-high locksmith fees" where consumers are misled by low initial prices advertised on local service platforms, only to face exorbitant charges upon service completion [2][4][10]. Group 1: Consumer Experiences - A consumer in Qingdao was quoted 50 yuan for a locksmith service but ended up paying 300 yuan due to additional charges [2]. - Another consumer in Shenzhen faced a charge of 2180 yuan for a service that was initially advertised at a much lower price [3]. - A consumer in Changsha thought they would only pay 30 yuan for a service but ended up with a bill of 828 yuan after various additional charges [4]. Group 2: Pricing Practices - Many locksmith services advertise low prices, such as 30 yuan, but do not disclose that this is only a part of the total cost, leading to confusion and unexpected charges [9][10]. - The average price for locksmith services in first and second-tier cities is around 100 yuan for standard services, while changing a lock cylinder typically costs no more than 300 yuan [10]. Group 3: Regulatory Concerns - There is a lack of regulatory oversight on these pricing practices, with many businesses not providing clear pricing information, which may violate consumer protection laws [11][12]. - Legal experts suggest that consumers can demand refunds for any undisclosed charges and should keep records of their transactions to support their claims [12].