MJ... where do you do your dimensions, notes, annotating, tags, etc?
They can either go in modelspace (annotative) so that they only show up in the proper scaled viewport.
OR
They can go in Paperspace
I try to use this as a guide:
If it controls the model - model space
If it annotates the model - Paperspace
Through use of layers, and annotative functionality one can dimension the model (annotate/tag/hatch) in modelspace
and then have individual viewports look anyway you want them to.