There is a paypal sticky designated for paypal related questions..
We need more information such as the method the payment was sent and what the buyer disputed the payment as.
Wow.
1. You are under 18. You are not allowed to have a PayPal account and PayPal has the right to suspend your account and take your money.
2. You sold such a large quantity of gold to a CLEARLY suspicious buyer. I would never have even considered selling to him for a VARIETY of reasons.
Conclusion: You are not very smart, do your research next time.

