Can you guys tell detailed and honest Reviews about justanswer? How much it costs and how it works?

It is amazing for beginners. It is best and under budget.

What are their pricing range?

JustAnswer has affordable sessions. They only charge $30.
Here are the main features:

Affordable sessions
No limit for follow up questions
Experts available 24/7

For more details you can read reviews of JusAnswer (https://therapy-reviews.com/reviews/justanswer/). You will get more details here.