Make money online: YES

AI Hydroponic Systems Optimization and Automation can be a remote-friendly side hustle as it primarily involves using technology to manage hydroponic systems. You can operate this business from anywhere as long as you have access to an internet connection. Setting up costs range from $500 to $2000, depending on the scale of the operation. Some users on forums like Reddit have mentioned that this side hustle lives up to the hype, especially in terms of efficiency and maximizing yields. However, success may depend on your location for accessing clients interested in this technology. Additionally, being in different time zones could affect communication with clients. One potential surprise could be the level of expertise required in AI and hydroponics to effectively optimize systems. Overall, if you have the necessary skills and resources, this side hustle can be a promising opportunity.