"The repurchase price will be half of the selling price. Trust me, with my rate of progression, this will only be a profitable deal for you." Mag smiled nonchalantly as he said, "You have to realize that we have an arms shop next door. I can order a custom-made longsword high in quality for 1,000 gold coins there, and it won't be very difficult for me to sell it for 500 later on."
In the arms market, supply exceeded demand, so buyers held the ascendency. He was using that against the system, which allowed him to gain the upper hand in their negotiation. From his past experience, that was quite an effective bartering method.
"Deal!
"Ding! 1,000 gold coins have been successfully deducted! The longsword is complete, and can be delivered at any time."
The system was still a little indignant, but it had no choice but to comply.