Using openHAB for commercial

Offtopic warning :grinning:
I fully agree with you. I would recommend you do cat6A to be more future proof. I have wired around 300m in my house, running several 10G drops.
Where it.makes.sense you could do a single fiber SC which can handle 100G for the future.

You must remember that there is a maximum end to end length limit of 300m. For large facilities multiple network aggregation points may be needed.