Thank you for your feedback.  Did you by chance see my response to the the suggestion above?

Our sales people send estimates out to customers every day with basic quotes for approval from customers.  When a job is complete, I turn the estimate into an invoice and send to the customer.

If I edit the Estimate forms in general as "work orders", this won't serve the sales people who need to send estimates to customers.

What I need is to be able to send a work order "in house" to our staff to get jobs done.

Could I use a Purchase order still and just set up a different product/service to reflect that instead of the one I use now on all purchase orders to outside vendors as "cost of goods"?