My approach may be different to you.

At first we need to be in a discovery call to find out that whether we can pull of this project without wasting both of our time. If we are starting the project means, I am confident in this, or else I will inform you at first.

We will pull off the best result for you. After the discovery call, I will have the idea about how we can direct the project, or which way we can take this. Then we finalise our price, after the discovery stage only I can say my price. After the advance payment is done, I will start working on the project. First draft meeting, second, third.... We may have more meetings depending upon the project. Welcome board.. We can do this for you..