1. From your Dashboard click Auctions on the left side of the screen, then Manage on your campaign.
2. Click Bids in the left sidebar and you should see a table of items. Click the book icon and select estimated value from the dropdown menu.
3. You can now see a column with all estimated values. You can use the download symbol to download a CSV file of the report if needed. You can use excel or Google sheets to "sum" the estimated value column.