Below are two articles that are very informative.  Take a moment to read.

Etiquette Guide

Quick Tips

Guide
1. Are your rates negotiable?
2. Do you offer half-hour sessions?
3. Can I see pictures of your face?
4. Do you offer multi-hour rates/discounts?
5. I am all the way across the world, Will be in ATL for 2 days, next week. Any way to skip the membership stuff? I can call u or u can call me to verify location :).....more than 10,000 miles away from you right now :)
6. What is your ethnic background?
7. Is __ (specific act) included in my session?
8. What should I do with the donation?
9. How much notice do you need before booking an appointment?
10. Can you please send more pictures?
11. Are your breasts real?
12. Hi there Bella! Love your pics. Do you have plans on traveling to San Antonio Tx? Take care and stay sweet 
13 What is your availability? 
14. Do you speak Greek?
15. do you do white guys
16. do you take creditcard or paypal
17. Great Pics!!! Any chance of traveling to Savannah ga?