I have filtered water at home. Before I go anywhere, I have metal water bottles and canteens that I'll put ice in and fill with water. No need for me to pay for

I have filtered water at home. Before I go anywhere, I have metal water bottles and canteens that I'll put ice in and fill with water. No need for me to pay for expensive water that I already have at home, and no need for me to drink out of plastics.