Frigate -> Home Assistant -> WhatApp Messages DIY, $2 per month + electric change. The $2 cover WhatsApp group messages - as it works for all phone in family with the app sleeping. Easy to share clips.

For example - who was the person who approache dthe door with an umbrella today.

Frigate makes sure its a person, Frigate makes sure it in the correct area of camera. Cheap rtsp camera, standalone wifi network. Frigate is the bridge to 'normal' lan.