Is it possible to customize two custom thank you messages?

2) Is it possible to customize two thank you pages for example:

                       A) a customer chooses option A, it gives them the quote of $50 

                       B) a customer chooses option B, it gives them the quote of $60 

Looking at the previous thread I see that you would like to not only pass different value to each of the thank you pages, but also to show different text.

You could set the form to redirect to different thank you page using the conditions. You can see a bit more about it here: Smart Forms Using Conditional Logic

Now the same will not work if you want to change the message on the custom thank you message since there can be only one of them.

What you can do instead is to use the conditions to fill out a hidden field on your page with the text that you want to show to your user and then pass it over just as you did the total / quote.

This way you will have several 'different' thank you pages.