A quick tip if you are replacing a different brand, Indigo-controlled thermostat with a Nest thermostat, and, like me, have a lot of Triggers, Schedules, Actions and Control Pages that reference your thermostat.
Rename your existing thermostat before installing the Nest Home Plugin, e.g. I renamed mine from "Family Room Thermostat" to "OLD - FR Thermostat." All of the Triggers, Schedules, etc. will be adjusted in Indigo to use this new name.
When you create your Nest Home, a new thermostat will be created. Mine was named "Family Room Thermostat."
Now, you can just toggle through all your Triggers, Schedules, etc. and change the device from "OLD - FR Thermostat" to "Family Room Thermostat."
If you instead delete the original device first, you will also delete all of the Triggers, Schedules, etc. and will have to recreate them from scratch.
If this is too obvious Mike, feel free to delete the post.
Jim