go anonymous when possible.
have several email accounts and aliases instead of using same one
have several phone #s (VOIP, temp, etc) rarely give out true cellular #
keep it safe, keep it secret.  Don't blab your shit all over the place. 
use grapheneos phone
use more private and secure email like protonmail. Also their VPN is good.
use quad9 for DNS
prefer privacy coins over bitcoin, eth and the like where possible.