Workers Unbound is $1 for ~6.6M requests (+ runtime at $0.0000015 per sec / $12.5 for 1M GB-sec). That's super cheap considering free egress, which brings me to...
> Fly just gives us compute at the edge for a predictable price per unit of actual compute resources as opposed to requests...
Fly.io may not meter requests anymore, but they continue to meter egress, even between your VMs in the same region [0]. Usage-based price model is everywhere, like it or not.
[0] https://community.fly.io/t/do-traffic-over-6pn-within-the-sa...