Do not use Tutorvista! My daughter signed up for one week for AP physics and every time she tried to access a tutor (during evening hours EST), there were none available. They auto renewed (for $200!) on the last day and claimed that they could not cancel the subscription. I spent over an hour with an online representative who claimed there was no supervisor available. Complete waste of time, money. They are the definition of unfair and deceptive trade practices. It seems that my experience is very similar to others. I suppose it was my... read full review »