@KaranTapoKasa You'll probably need to get the tp link team to answer those questions, all I can tell you is the reason - no NTP servers found. My guess would be the app sets the time to the kasa...

@KaranTapoKasa The kasa devices restart (not reset) after a power outage and they need to sync an NTP server before they will run any timer based function. You'll need to figure out why your network...

Right, dimmers need to be solid state because they vary the output voltage. Only switches can use an inexpensive on/off relay.

It's probably the switch wiring that's different than you expect (the most common is no neutral because it's power through fixture). There shouldn't be anything special about a fixture with pull...

It's normal, the clicking is an internal relay that connects/disconnects the switch's line in wire to the load out wire.

I doubt it, but many routers allow you to set an alias based on MAC.