Your comments

Please contact us via email.  We can add those price points to your subscription API calls.

Sorry, we do not support bulk operations like this.

Yes, in your collection you can change the folder on any item in your collection.  You click the folder drop down on the item and then select the new folder.

We are adding these sets to the site now.  They will appear in about 24 hours with more sets coming soon after that.

Some users can do this after earning contributor privileges.

https://www.pricecharting.com/add-product

Sorry, I don't understand.  Can you explain the question a bit more?