Free intro experts are who are ready to talk with you for maximum of 5 minutes. Experts are not allowed to do any kind of reading in free time. However you can ask experts if he/she can help you in particular area or with specific question.
For chat sessions to be @$5.00 you will have to buy Premier time pack. You get total 40 minutes for chat time. This excludes free time wihicho you always get. This time pack can be used multiple times till your last minute is consumed.