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
Can I bulk update supplier prices in TidyStock?
How do I add my logo and company name to invoices and delivery notes?
Does TidyStock provide a delivery date field for customer purchase orders?
How can I edit unit cost on materials?
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?