The qualifications to get a flexible second job vary by the position, but you need self-discipline and enough time to focus on both of your jobs. If you want to become a party planner, you can take a professional event course to learn the necessary skills and begin developing a network of suppliers, vendors, and other resources. A community sports coach needs a passion for the game, the ability to motivate others, and certification through the International Coach Federation. A freelance blog writer must be able to meet deadlines, and you should have a firm grasp on grammar, editing skills, and familiarity with search engine optimization techniques.