800HKD for a car to Shenzhen is very competitive. Naturally it is in your interests to fill the seats! If you have six people going......
To Drunken Master - Given how long you've been around I won't indulge you with an answer to your silly question.
aschwartz asked a question, I offered my reasonably priced service, (please feel free to compare my price), and gave some genuine advice, comments from my experience shopping in Shenzhen. Is that okay?