You can try to lower your electricity and water use (close useless lights) take shorter showers, cut off unnecessary expenses. You have very important digital skills, you could try doing gigs on fiverr.
LED also helps to reduce electricity consumption. But if it's about personal hygiene, you shouldn't compromise your own hygiene to save but if there's a way that you can keep it then just keep on doing.
Not only in fiverr but also in Upwork, there are a lot of gigs that one can find if he has the appropriate skills and niche to offer.