You’re on the right track, @AngelBK.

When you’re ready to invoice your clients, the service item you’ve created will be included in the list of the Product/Service column.

To learn more about adding service items in QuickBooks Online, check out this article for additional details: Add product and service items to QuickBooks Online.

In case you need to change your product and service items, you can refer to this article that can walk you through the process: Change product and service item types in QuickBooks Online.

If you have any further concerns with QBO, you can always tag me in your reply. It’s my pleasure to help you. Keep safe.