It is my understanding that using a takeoff item, be it count or linear, will affect the quantity of the parent. Is it possible to make an existing takeoff item become a child that effects said parent?

Shortcut to Reference Same Property from Parent: [..]
Reference a Property from Parent [../Some Property]
Reference a Property from Grandparent [../../Some Property]
Reference a Property from a Sibling: [./Sibling Name/Some Property]
Reference a Property from a Child: [Child Name/Some Property]