You can set up a service as an unmanaged item with a charge rate. You can ignore stock levels on unmanaged items.
Have a look at similar frequently asked questions or visit our FAQs page for more information
Why does Xero inventory show up as an asset?
Can TidyStock generate a "Sales by Customer by Product" report for a specified period, showing the quantity and amount excluding GST?
Do you link to WooCommerce?
Is it possible to convert an existing assembly and all its associated materials to an unmanaged status in Tidy?
Is is possible to invoice a Fixed Price task value by selecting a subset of items that are eligible for invoicing?