About the exchange rate of crystals

[Marlthon]

I need help, I want to know about the exchange rate of crystals, I wanted to set one value for sale and another for the purchase, is there a way to do that?

 

[Jinjer LC]

Witcherivan has made detailed guide on the Currency exchanger: http://forum.ragezone.com/f746/guide-mini-run-currency-exchange-1070428/

for the fixed rate you can check this out: http://forum.ragezone.com/f746/currency-exchange-fixed-1136549/