Ublock origin

VPN

Tor

Self host as much as possoble

Get friends and family on signal or simplex

PO Box or PMB

GrapheneOS

Prepaid sim with cash or silent.link

Automatic backups

Redundancies

Remove single points of failure

Disposable debit cards like privacy.com or vanilla visa

House and cars in trusts (easier than you think)

Turn off home wifi SSID broadcast