I just tried NearlyFreeSpeech, which uses FreeBSD and jails, and it has resource billing, although a little more coarse grained: https://faq.nearlyfreespeech.n

I just tried NearlyFreeSpeech, which uses FreeBSD and jails, and it has resource billing, although a little more coarse grained: https://faq.nearlyfreespeech.net/q/ResourceAccountUnit https://faq.nearlyfreespeech.net/q/ResourceAccountUnit So basically if your website doesn't get any hits, you don't get charged.