1, the price of gold exchange is the price of metal, jewelry needs to be designed and processed, and it will naturally increase in value, so the store should have appropriate profits.

2. Even if the transaction price is 2 18 yuan/gram, you have to take the spot and pay the handling fee, so the actual price is definitely more than 2 18 yuan.

Individuals can trade gold (paper gold), but they can't make delivery, which means you can't get spot gold. Only gold trading enterprises can make physical delivery.

4. To buy spot gold, you should go to the bank to buy it. The price is definitely higher than the gold exchange, but it will also be lower than jewelry gold.