What are some privacy-focused tools, services, and practices that I should get into a habit of using?

It's that time of year again where I look into privacy-focused tools, services, and practices in an effort to better the health of my online privacy.

Right now it's fairly relaxed, and I'm using services and practices like:

* Tutanota for emails,
* Bitwarden for password and account management,
* DDG for searches,
* Firefox for browsing,
* a bit of digital hygiene, and
* using temporary email addresses for services that I'll ever only use once.

I'm looking towards …

account bitwarden browsing digital emails firefox health management online privacy password practices privacy searches services tools tutanota