Between "buy the perfect cable you would bury in the wall" and "buy [almost any] fiber" and thr weird things you sometimes need to do to route the cables in the

Between "buy the perfect cable you would bury in the wall" and "buy [almost any] fiber" and thr weird things you sometimes need to do to route the cables in the house (I swear, people who design them aren't from this planet) sometimes it would be easier to just lay the fiber (and eat cost with media converters and such) than to gamble on Cat6, IF you really need more than 1Gbit reliably.