Make money online: YES

Sustainability consulting for small businesses can be a remote-friendly side hustle that allows you to work from anywhere with an internet connection. There are no hidden in-person requirements reported. Online discussions on Reddit and Twitter show that this opportunity generally lives up to the hype, with positive feedback on the flexibility and demand for sustainability services. Success may depend on your location for access to clients, time zones for communication, and having the necessary equipment. Setup costs range from $100 to $500, mainly for marketing materials and potentially certifications. With dedication, expect to profit within 2 to 6 months of starting.