http://nguipxnkrp3qrzrlduhsatpcpwehnblzmlkc5ifiumxq4z5jlh4lwvid.onion/os_archive/os_OPSEC_357.html
No Alexea, No Siri, No Google Home, no remote home security (don't be a retard). Buy books and things second hand and try to pay in cash (second hand book stores and electronic recyclers). Making small todo lists should go in a non online hand writen journal, if its sensitive,then put the journal book in a fireproof mechanical safe inside your study, and shred/burn the contents when it is no longer required to keep track of the information.