We’ll add a note for someone coming across this sometime later, this is only for guide data subscriptions, as previously noted, prior to 3-07-19 regardless of lifetime, yearly or monthly payment methods.
Tablo Premium Service Subscription which includes commercial skip is single device no matter when you started your service or how you pay for it.
…Live support is meant, talking to someone on the phone - Ask the Tablo Team | Over The Air (OTA) DVR | Tablo.