No, the Merchant's Tab is only for buying and selling items, not for currency exchange.
No, the Merchant's Tab is only for buying and selling items, not for currency exchange.
No, buying items from the Merchant's Tab will not yield a net positive Gold outcome when sold to a vendor due to the high Gold cost.
No, Merchant's Tabs won't be available in Path of Exile 1 at the launch of Path of Exile 2: The Third Edict.
It consists of two components: the item's listed price in standard trade currency (not Gold) and a small transaction fee paid in Gold for each purchase.