XDA Developers argues against building a home lab, highlighting several key downsides. The article emphasizes that the initial setup and ongoing maintenance can be significantly more complex than anticipated. Cost overruns, unexpected technical issues, and the potential for limited ROI are major concerns. Time commitment, learning curve, and the need for specialized knowledge are also substantial barriers. The article concludes that a home lab might not be the fulfilling or financially rewarding project many enthusiasts envision, and simpler alternatives for learning and experimenting might be more suitable.