Hey. Just an advice:
100 gold for 10€ makes no sense, since ingame currency (gems) give you 100 gold for 5-6€. As a gold seller you want to UNDERPRICE the game's "real money"- currency, not overbid it. I doubt that you will sell any Gold this way, so take this as a friendly reminder, nothing more.
Edit: 1600 Gems (20€ Reallife currency) gives you a whopping 328 gold. So 10€ Reallife currency gives you 164 gold.