"My last role was bookkeeper for a small, established company. However, my predecessor did not have established procedures in place and it sounded like he made constant mistakes. One of the first things I did when I started was make a monthly checklist that detailed all the steps I took during the monthly close. Included in these steps were 'checks' I performed to self review my work. The checklist served as a cover sheet that I would hand off to my manager so that she would know exactly what steps I completed. This led to increased efficiency, as we estimated it saved 4-6 hours a month in error corrections."