大概多少錢一尺？ $100-150 here in Northern Virginia
困難嗎？You must know what you are doing to talk with the builders. Or, well, I don't know.
有什麽需要注意的？ Too many to list. You must find a builder with very good reputation, or you will be totally spoiled. In the middle of the process, you just want to kill yourself.
