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
Is a packing slip the same as a delivery note?
How do I delete a location?
How can I view transaction history?
Why can’t I enter the unit cost of a new managed material item in multiple currencies, and how does the multi-currency feature work in TidyStock?
How do I give a quote?