TACH ONLINE : If you like to teach and have some free time, consider teaching English as a second language. EF, an online teaching company where you could earn up to $2,000 a month, making it a pretty great side-hustle.

VIPkid is another excellent service that connects North American teachers and tutors with students in China for one-on-one English lessons.

The application process is rigorous, but you could make between $14 and $22 an hour—not necessarily the most competitive,