Why not both? You’ll need to run a server either way. HA can export data to Prometheus. Setting up and running HA is much easier than figuring out how to get a

Why not both? You’ll need to run a server either way. HA can export data to Prometheus. Setting up and running HA is much easier than figuring out how to get a set of different smart devices to export metrics to Prometheus/Influx. Let HA deal with that.