Day-to-day job tasks for personal assistants differ based on the services they provide and the environment where they perform the bulk of their work. However, these core duties are common across the professional Run Errands Personal assistants run errands for clients, such as grocery shopping and picking up dry cleaning. Prepare and Cook Meals Personal assistants cook meals for clients based on their desires and dietary concerns. Schedule Appointments Personal assistants schedule all appointments for clients. This includes managing the client's schedule by giving them appointment reminders and filling out their daily sort all incoming mail and prepare outgoing mail. This may include writing checks to pay bills and writing correspondence. Clean keep home or office areas clean and well organized. Manage Vendor