Privacy is not and newer was in the hand of the users, so you can't win unless using a tremendous amount of measures which are out of reach of the common people.
If you believe that a VPN and 3 browser extensions will make you anonymous, you have a lot to learn... because your Hardware, Software, Internet connections and even your own online patterns and behaviors must perpetually remain untraceable (or at least blurry enough to avoid recognition).
i personally developed a "checklist" in case i must go this road, and honestly just thinking about it is giving me headaches...
Security is, however, in your hands, after all it is your system, you can secure it to 99.99%