wah, so many questions. I answer 1 by 1:

- the receptionist is not the hotel one. Its the WorldCard Centres receptionist inside the casino.
- when I change from normal worldcard to greencard , I kena deduct 2 GP.
- the GP is like this:

Here is the link:
http://www.rwgenting.com/18gp/faqs.htm

About yearly given GP, I read it somewhere before. But seems like I cannot find it. Maybe dun have.  Probably just one time give 18 GP.