I think if every hosting company that charges for ipv4 addresses offered complementary (or at least much cheaper) NAT64, then paying for an ipv4 would be only n

I think if every hosting company that charges for ipv4 addresses offered complementary (or at least much cheaper) NAT64, then paying for an ipv4 would be only needed for ingress traffic, and ipv4 addresses could be dropped for most VMs.