There is no live chat.
Phone support is not provided with the Free Edition. If you are using a paid version of the software or if you purchased PLUS you can get phone support when customer support is there. Otherwise, post your question here and someone will try to help.
To call TurboTax customer support
https://ttlc.intuit.com/questions/1899263-what-is-the-turbotax-phone-number
They are available from 5 a.m. to 9 p.m. Pacific time
https://twitter.com/TeamTurboTax
or
https://www.facebook.com/turbotax
My turbo card is saying my card is invalid can you tell me why
How can I speak to a live chat person