How can I delete a service that is saved in “Products and Services”?

I can provide insights about deleting a product/service in QuickBooks Online, franklinsllc1-gm.

In QBO, we can only deactivate the service item in the Product and Services list. This is to ensure your financial and inventory reports will remain accurate. I'll show you how to do it:

1. Go to the Settings icon and select Product and Services.
2. Mark the item/s you want to deactivate.
3. Click the Batch actions. 
4. Select Make inactive.
5. Click Yes.

Here are a few articles that will help you manage and track your inventory: 

• Set up and track your inventory in QuickBooks Online.
• Add inventory products in QuickBooks Online.

I'll be right here to help if you need further assistance about managing your items in QBO.