Everyone should read the DNM Bible and https://anonymousplanet.org/guide.html at least once.
Even if you don't need it right now.
Discussion
Is total anonymity possible?
It depends on who you are trying to be anonymous against... If you are talking government level, then it's quite hard and you are super limited in what you can do and use to stay anonymous. The linked guide goes into details on this.
Solid share. Bookmarked