When you enter the sale on the ticket, make sure you select Special Order for the status. ProfitSystem will create an Un-issued PO item for it.
Go to the Un-issued Purchase Order Items form, which will show all the un-issued PO items. Click the check box next to the customers PO item to select it.
Click the Issue button to issue the PO. Enter the shipping information, and the PO will print.
When the item is received from the vendor, go to PO Maintenance, locate the PO, and click the receive button. This will place the item in Pickup Inventory.
When the customer comes in to pick up their item, go to the ticket, select the item, and click the Pickup/Spec Order/Return button. Select Taken and save the ticket.