If "Ignore stock levels on unmanaged items" is ticked, then you can sell as many as you require, and the stock levels won't be tracked.
Have a look at similar frequently asked questions or visit our FAQs page for more information
Does Tidy recommend barcode scanners?
Can refunds or credits be processed for Purchase Orders that haven't been received?
Do you have hot keys?
Is a PDF sent from TidyStock to Xero that displays the same information in both applications?
How do I upgrade/downgrade my subscription?