Trading Post suggestion regarding sold items

[LeJerk]

I read a rule on another site that I agree with and would like to see on here. It says "Do not delete ad text or subject lines... Leaving the subject lines and prices intact allows others to search items out and gauge current market value."

It would be nice to look in the for sale sections and see what people are selling and what it's going for.

edit: In the current rules: xv. When your item(s) have sold or become otherwise unavailable, update the thread, then PM a mod or report your thread to be closed.

This is fine to lock the thread, but I feel people shouldn't delete all the pictures, the price, and the description.