Doesn’t Google Messages require access to your contacts to even run? My experience was that it didn’t even ask permission; it just gave itself permission when I first launched it.

I learned about Swappa years ago and exclusively use them for buying and selling all my smartphones. I have no idea why they aren’t more popular, except for the fact that repair shop resellers use it too, but they are pretty easy to avoid.

My first thought was this, and when I opened the thread your reply was the first response listed as well.