Start thinking about your threat model with regards to communications security. Is a nation state likely to target you for violence or imprisonment? Are you more concerned about clients stalking/outing you? Consider the Venn diagram where your most likely and most damaging threats coincide, that's what you want to focus on securing first.
Hello Switter. In light of the reason we're all on this platform, you might want to check out RiseUp's communication security guides:
RiseUp is an anarchist/activist collective and they've been helping dissidents and other marginalized folks with tech security and facilitation since 1999.
Always have rhythm in your shaking. Now a Manhattan you shake to fox-trot time, a Bronx to two-step time, a dry martini you always shake to waltz time.