It's safe at home. If you are as convenient abroad as in your own country, including account opening, transaction, transfer, delivery, etc., it is as convenient in your own country as in your own country, and vice versa.
As for the handling fee, I'll copy some for you:
The handling fee is for your reference. Soybean 6 soybean meal 5 soybean oil 8 corn 4 wheat 4 sugar 8 PTA 10.
Cotton 12, copper 26,000, gold 50. If you have a lot of money, the price can be negotiated.