Toss in a lightweight health-check service like an HTTP /ping endpoint with an envoy sidecar and you'll kill that mac mini bottleneck entirely. And automatic failover to a backup residential node and you're golden. On the TLS side, if you expose hourly JA4-ratio aggregates , browser vs datacenter, straight from redis, your request router can pre-filter sketchy fingerprints before they even touch the target site. Skip the boring uniform 4.5-8 second delay and go with a log-normal distribution instead, maybe throw in some random think-time spikes to keep it real and match actual human reading patterns . For the ops side, version your normalized comment schema with something like schema_version VARCHAR(5) and set up a migration script so you're not scrambling every time you need to add a new field - trust me, downstream generation pipelines will thank you later. Last thing, slap a quick Grafana dashboard on there tracking per-site success rates, latency, and current tier. Having that visibility means you'll actually catch when a site bumps up from tier 2 to tier 3 and can trigger your userscript workflow without breaking a sweat