No, really, let's be clear. There are those who get things done, and those who do not. Kristen gets things done. Here she is in the picture, reminding her husband that she really is the queen of the possible. Try not to doubt her.
She generally charges by the hour for her consulting services. However, some projects can occasionally be quoted at a fixed price. We often recommend to new clients that they consider this per-project option during an evaluation phase. New clients also use our hourly support when they need immediate assistance.