More and more parents and students choose online tutoring these days because they find it more convenient and inexpensive. Unlike a personal tutor where you have to set up an appointment, online tutoring can be availed whenever the student needs it. Online tutoring companies hire competent tutors that have the knowledge and skills required to provide the assistance that the student needs. They are assigned to students that need their particular expertise. The services of an online tutor can be availed either for a specific time or for the entire semester. Students only have to pay for the time that they have availed of the services of the tutor.