Paranoia will destroy ya.
Turn off Alexa, download the apps you need to listen to your books and streaming radio, and move on with your life.
Trust me, your life isn't interesting enough for them to spy on.
My life is dull. I don’t particularly want to be in their information stream.
https://www.wsj.com/articles/your-location-data-is-being-soldoften-without-your-knowledge-1520168400