It takes about 2 sessions usually to enhance your resume. You will also receive a free template which would enable you to mention every skill, project or credential in detail to make a good impression on potential employers or academia.
A good resume often includes relevant details about your strengths. Before booking a session, it is important to have atleast a few skills or any volunteering experience in mind which you can add. Even if you don't, don't worry! Once you learn the strategy of creating a resume, you would be able to modify it accordingly later. It's also easier then to create a CV which is more detailed than a resume.
Your LinkedIn profile can also be audited, to ensure you have eye catching visibility. Alternatively, you could also opt for personal statement writing which is necessary to showcase your personal experiences and strengths not mentioned on your resume that have shaped you as an individual. This allows universities and higher ed institutions understand you holistically, beyond the grades.