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In view of the foregoing, I still say ideally it's best to run a dedicated neutral

In my view it is entirely depends on the job a hand.

I am willing to bet you would look at this differently if your job was pipe and wire with multiple homeruns that are a couple hundred feet long.

All these big box stores springing up do not have panels in every aisle. [Linked Image]

You are adding significant costs to a job like this using dedicated neutrals.

JMO, Bob

Bob Badger
Construction & Maintenance Electrician
Massachusetts