If you find that you have extra time in your schedule and you like kids then you could earn a lot from babysitting kids. Parents will pay around $20/hour to have someone trustworthy watch their children. Some parents may want you to go to their home and some might want to drop the kids off at yours so you need to be ready for either of those. There are many websites that can help you find clients such as Care. com but be careful who you give your information to, there are lots of scammers who try to use these websites to trick people.