Have Inventory sitting for more than 180 days?
Amazon will charge your long term storage fees. There are two options to avoid these fees.
you can create a removal order or liquidate them.
According to Amazon Seller Central Help Page:
LIQUIDATIONS Expained
Recover value on eligible inventory by liquidating it through a liquidator, who will purchase it for about 5% to 10% of its average selling price. You should receive payment 60-90 days after submitting a liquidation order.
More information here about the Amazon FBA Liquidation:
https://sellercentral.amazon.ca/help/hub/reference/GYVCG5Q3BEJ6MLMF
Step 1: Go to the inventory and select ALL Inventory
STEP 2: Select your product and click on the edit button (a dropdown menu will show)