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===== Explanation =====



Hidden line items, or "child items" are used to group related items within an order or estimate.  The price of a child item is included in the parent items price.  



==Steps==
  - From within an order or estimate once an item is created, the box labeled "child" may be checked. It will become a child of the line above it.  
  - If you have the "Show Advanced Screens" option selected in User Options you can use the Promote and Demote buttons.