Make money online: YES

AI Biomarker Discovery and Validation can be a remote-friendly side hustle, as the work primarily involves data analysis and modeling that can typically be done from anywhere with an internet connection. However, there may be occasional requirements for in-person meetings or collaborations, especially when discussing project goals or results with clients. Online discussions on Reddit and other forums suggest that this side hustle generally lives up to its reputation, with many freelancers finding success in this niche field. The level of remote-friendliness may depend on your location in terms of access to clients, time zones for communication, and the equipment needed for data analysis. Potential red flags or gotchas to be aware of include the need for robust cybersecurity measures to protect sensitive data and the requirement for continuous learning to stay updated with the latest AI technologies.