I will probably add more Nest cameras. So far, the Nest integration is coming along nicely.
For me, I have the new version of Nest Aware (Transferred to Google account). So, the subscription covers all cameras in the same home. The benefits are that the Nest appear to be the only ones with zero lag (since they are recording 24/7 when armed). With other cameras, all I was ever catching was the images about 15 to 20 seconds AFTER the trigger of the even. Arlo may have gotten better, but I would not know as I now only use them inside and haven't had any triggers since I moved them.