My friend Migel gave me some good AE script that I really need to check into:
Match Rate: is an After Effects script for extending a layer property's animation at the same rate.
LockProperties: Locks selected properties by adding an expression with the current value
The last one sound kind of cool. how many times are you trying to use the position tool and by accident you scale up the Null?!??
Other cool tips included:
If you wish to coy the exact same location of a Null to anything else, let say another Null:
Shift and click parent.