Which is the best for water pressure pipe use in household. pvc, copper or stainless piping?

Which is the best for water pressure pipe use in household. pvc, copper or stainless piping?

we use copper as best

Copper is most cost effective over a long period of time.

Kind of depends. For cost and ease of installation, PVC. For staying power, copper. For strength, stainless piping. you have to consider these things when planning. . .