In search of a tutor for my son, I did an engine search and found an on-line tutoring service named tutor vista. I signed up for the trial service that was 49.00 and then billed at 100.00 monthly. they made great promises of being available 24 hours, you can use a headset and talk with an actual tutor for most subjects. It sounded great. My son;s first encounter was a total waste of time. It took the tutor 30 minutes to find information to help my son with one geometry question. then he had difficulty understanding the tutor... read full review »