To thrive as an On Call Babysitter, you need experience in childcare, basic first aid knowledge, and a proven track record of responsibility and reliability. Certifications in CPR and First Aid, as well as familiarity with communication apps or scheduling tools, are often required. Flexibility, patience, and strong communication skills help you adapt to different family environments and children's personalities. These abilities are essential for ensuring children's safety, fostering trust with parents, and responding effectively to last-minute requests.