Freeze every internal comm channel (Slack, email, meetings) for a week, and reinstate only what's actually demanded back.

Audit all vendor subscriptions and merge similar ones into single contracts for 15-30% discount.

Per key stakeholder: what to send, when, via which channel, what to expect.

Before adding a new tool, verify it doesn't duplicate a job an existing tool already does — overlap costs more time and money than it saves.