Core Viewpoint - The article discusses the challenges and frustrations consumers face with whole-home smart systems, highlighting issues such as device incompatibility, high repair costs, and misleading marketing claims about functionality [1][2][4][6]. Usage - Consumers like Mr. He and Ms. Zhang have invested significantly in smart home systems, spending over 20,000 yuan and 100,000 yuan respectively, but experience frequent malfunctions and poor user experience [2][4]. - Common issues include false triggers from sensors, ineffective voice commands, and the need for multiple apps to control different devices, leading to a cumbersome experience [2][8][10]. After-Sales Service - Repair costs for smart devices can be exorbitant, with some consumers reporting fees as high as 2,500 yuan for repairs, and difficulties in finding qualified technicians due to the specialized nature of smart devices [4][5]. - Delays in service and parts availability further exacerbate consumer dissatisfaction, with some waiting weeks for repairs [4][5]. Selection - There is a significant price disparity among service providers for whole-home smart systems, with quotes for similar services varying from 8,000 yuan to 20,000 yuan, raising concerns about quality and reliability [6][7]. - Consumers report experiences of being misled about the equipment installed versus what was quoted, indicating a lack of transparency in the industry [7]. Installation - The lack of interoperability between different brands' devices necessitates the use of multiple apps, complicating the user experience and undermining the promise of a seamless smart home [8][10]. - Major brands have specific requirements for their devices to work together, limiting consumer choices and further complicating the integration of various smart home products [9][10].