Note: You can have back the credit spent, by clicking on the Undo. This will also revert the added products to the store.
To check your Imported product/s using the Add Product feed, follow these steps:
1. Identify your tag in the Feed Setting -> Advanced.
By default, all your newly imported products will be tagged with "NEWLY-IMPORTED".
2. Navigate to your Products page on your Shopify Admin page.
3. On your product search bar, Filter by Tagged with and paste the same tag in Stock Sync.