Duplicate request.  Please vote for existing one.

https://pricecharting.userecho.com/communities/1/topics/2211-add-ags-grading-company-prices

Added to your collection or adding to the item database as a product?

Closing as a duplicate.  Please vote for that.

https://pricecharting.userecho.com/communities/1/topics/751-it-would-be-awesome-if-you-had-the-option-under-games-in-collection-to-have-a-sold-feature-which

Added.

https://www.pricecharting.com/game/mini-arcade/tetris-pro

Added

https://www.pricecharting.com/game/mini-arcade/space-invaders

Adding that set now.

https://www.pricecharting.com/console/weiss-schwarz-avatar-the-last-airbender?uid=G89418

Thank you

Done.  Thank you

We are working on this feature now.  It will hopefully be added very soon.

Closing as duplicate.

https://pricecharting.userecho.com/communities/1/topics/2005-ability-to-delete-folders