I've noticed that some sellers in Gear Swap forum tend to remove the prices when they mark an item sold. Not sure why they do this, maybe they think it's supposed to be part of the policy that says to mark an item "sold".
I think it would be helpful to both other sellers and other buyers to not delete the price when marking as "sold", rather edit the price (if necessary) to reflect the actual sales price. That way when people do searches in Gear Swap forum they can get better idea of what prices are reasonable. Not perfect, but better than taking away pricing information that happens now.
Simple sentence like, "When an item is sold, in addition to editing post to indicate 'SOLD' please indicate the actual selling price of the item." would be fine.

