YES, you can earn a good amount of money from online teaching. And if you are a teacher and want to earn extra bucks, you can try that. But keep in mind that if you plan to sell your online class, you need a lot of consistency and hard work to make your course. But if you can go through it then it will help you earn good money and if you provide value then students will pay to take my class online and that will also enhance your digital profile.