The slip point is very serious (the price can go up and down between 10 times and 10% in a short time), the inventory fee is ridiculously high, and all kinds of restrictions on the outflow of gold (the account has a position can not be outflow of gold;
The amount of money you put in your VISA card cannot be transferred to your bank card, and it cannot exceed the amount you put in.
There is also a fee for VISA card payment).
Even if the company is in New Zealand, there is no guarantee that the service provided is reliable.