I suggested this in the past. We have /credits. What im assuming is that this is meant to be done at some point in the future. The basic idea is buying stuff will cost more credits than you get for selling items. (Ex. Something could be bought for 10 credits and sold for 2).
Also I've been wanting some of the E.S suggestions that are still pending for a long time (Like this one)
Also I've been wanting some of the E.S suggestions that are still pending for a long time (Like this one)