To perform Product Settings:

• On your Magento admin panel, place cursor on Wayfair on the top navigation bar.
• When the menu appears, click on 3rd Party Listings under Manage Products.

• You will be navigated to Wayfair Third Party Listings page as shown below:
• To Fetch all the third party listings click on the button named Fetch 3rd part Listings.
• All the product information gets fetched to the Magento panel.

To update inventory

• Select the products for which you want to update the inventory, by checking the boxes corresponding to the products.
• Click Actions drop down on the top right of the page.
• When the menu appears, select UpdateInventory.
  

• Click Submit button next to the Actions field.
• You’ll get redirected to a page where you may see the success message for the product inventory update, as shown below:

To Delete the products:

• Select the products you wish to delete from your Magento store and click on Actions.
• Click on the Delete button as shown in the figure:

  

• The selected products get deleted.