A few details is all I need to come back with availability and a recommendation.
This is the most common thing I hear, and it is exactly what the process is built around. Most of the day you are working, not posing — I document. The portrait portion is short, directed, and I will tell you what to do with your hands.
At least four weeks in advance. That leaves time for the moodboard and shot list to be approved properly. Rush bookings are sometimes possible.
Yes, with travel quoted at cost. Multi-day and out-of-state projects are welcome — mention it in your inquiry.