I set up the Wi-Fi password and parental controls. We are safe.
Your smart TV, doorbell, thermostat, and speaker stream data to cloud servers twenty-four hours a day, not just when you are using them. Several send ambient audio to analytics servers. Your kids' tablets run apps with advertising SDKs tracking location, contacts, and usage. Your router treats this as normal traffic because it is. The devices are doing exactly what their firmware says.
Echoron Edge observes traffic crossing a Linux gateway you supply. Privacy Map shows the destinations your gateway talks to. Content inspection applies to unencrypted traffic. No product that sits on the network can read inside an encrypted session - ours included. Echoron Edge is coming soon - not yet purchasable.