Alternatively, you can rent or buy electric dethatcher and aerators from most home department stores, such as the Ryobi ONE+ HP 18V Brushless 14" Cordless Battery Dethatcher/Aerator ($459, The Home ...
Core aerators are much more efficient because they remove soil from the ground, allowing for better airflow, water, and nutrient absorption. You can easily rent a walk-behind aerator from your nearest ...