out with the old

clear all the giveaways that is finished

Nope, because that would cause problem with contribution level for old giveaways

al the trades that are closed and all the trades closed in your trade history

And pretty much no reason for that either

for instance

View attached image.

why clear? they are the site's history.

then I can't pm people. No thanks rather keep them open and hide clues for my next puzzle there :-)