I'm here to answer your follow-up questions, TH-GFL.

You'll want to import a list of items and overwrite the current items you have in Quickbooks instead of deleting them. This will prevent the inaccuracy of your reports.

To give more information about managing inventory in QuickBooks Online, check out these articles:

• Set up your product’s bill of materials
• Track the products you manufacture
• Adjust your inventory quantity or value in QuickBooks Desktop

Keep me posted for additional questions or other concerns. I'd be more than happy to help. Wishing you the best of luck.