I thought the same until I calculated that newer hardware consumes a few times less energy and for something running 24x7 that adds up quite a bit (I live in Europe, energy is quite expensive).
So my homelab equipment is just 5 years old and it will get replaced in 2-3 years with something even more power efficient.
So my homelab equipment is just 5 years old and it will get replaced in 2-3 years with something even more power efficient.