Enable 2FA!!! this is the most no-brainer thing you can do, tell your family to enable their 2FA, tell your friends, tell anyone you care about.
Ducktape your Webcam, Unplug your webcam if you don't need
Remove simcard from your phone, or even bought new phone, never install a simcard
Remove your internet history, files a data removal request to facebook, twitter, google, etc about your self.
Use password manager, use different password for each services
Use fake identity
Use different fake identity for every service
Use proxy address when receiving goods or packages
Use virtual number, use burner number
Instead of creating an account, you could buy an account from someone else (yeah, gmail account, telegram account, almost anything)
Don't touch US Product (gmail, microsoft, or anything from US)
Harden your everything, idk, your chrome, your windows, your telegram, or anything.
Encrypt your disk, even your root disk
Use VPS/RDP For your dark net activity
If you don't want use VPS/RDP, you need to run other OS's inside a VM (Using VirtualBox, Qemu, Hyper-V, or similar), some recommended OS: Qubes, Whonix
Use VPN, afford Mullvad (they don't need any of your personal data to signup)
Use TOR, Learn to understand TOR.
Activate your VPN Kill Switch
Enable your phone Airplane mode
If you need to buy a service, choose the one who only needs small amount of your data, even zero + if they support cryptocurrency payment
Don't overshare!
Always check four your file meta data.
Don't open your card IRL
Be Paranoid
Use Monero, use cryptocurrency mixer
Do research about mail provider, there is something like proton, tutanota, dnmx, but idk who's to trust, DYOR
