Mirrored Geometry - Script for permanent update reasonable?

Hi there,

I’ve got a geometry which is symmetric by two axes. I wrote me a Grasshopper Player tool to mirror the objects with just one click.

But now I was wondering as there are many changes… would you suggest to write some script to create a permanent update?
I’m worried that it will get slow as it would always run in background. Would be my first try to dive into python :grimacing:

Thanks for your advices!