The 90-Day AI Implementation Plan for Lean Teams (Without Breaking Your Ops)

TL;DR

If your team is “using AI” but nothing feels faster, cleaner, or more profitable, you don’t have an AI problem—you have an implementation problem. This 90-day plan gets you from experiments → repeatable systems.

Most teams aren’t behind on AI because they don’t know what tools exist.
They’re behind because they’re trying to duct-tape “AI outputs” onto a messy business.

If your ops are chaotic, AI doesn’t fix that. It scales it.

What you want is an AI implementation plan that turns your most repetitive, expensive, or error-prone work into standardized workflows your team actually uses.

Here’s a straightforward 90-day plan that works for lean teams.


Week 0: The “Stop Doing Random Stuff” Audit

Before you automate anything, you need clarity on what’s worth automating.

Make a list of the top 15 recurring tasks across:

  • Marketing production (content, ads, email, creative briefs)
  • Sales ops (lead triage, follow-ups, proposals)
  • Customer success (onboarding, FAQs, support tickets)
  • Internal ops (reporting, meeting notes, documentation)

Then tag each task:

  • Frequency: daily / weekly / monthly
  • Pain level: annoying / expensive / risky
  • Inputs: what triggers it, what data it needs
  • Output: what “done” looks like

Pick 3 candidates with:

  • High frequency + clear inputs/outputs
  • Low legal/compliance risk
  • A human review step (for now)

That’s your AI implementation backlog.

Days 1–30: Standardize Before You Automate

AI can’t “follow the process” if the process only exists in someone’s head.

Deliverables in the first 30 days:

  1. Workflow maps (simple is fine)
    Trigger → steps → owner → tools → output
  2. Definition of Done (DoD) for each workflow
    Examples:
    • “Email draft is done when it matches brand voice, has one CTA, and includes 3 subject lines.”
    • “Report is done when it includes spend, CPA, ROAS/ROI, learnings, next actions.”
  3. Prompt + template library
    One place your team can copy/paste:
    • Brand voice rules
    • Offer positioning
    • FAQs and common objections
    • Approved claims language
    • Content and ad frameworks

This is the part teams skip.
And then they wonder why AI “doesn’t work.”


Days 31–60: Build the AI Workflows (Human-in-the-Loop)

Now you can implement AI like an operator—not a hobbyist.

Pick your first 3 workflows and create:

  • A standard prompt (with examples + constraints)
  • A review checklist (what humans verify)
  • A handoff step (where it goes next)

Example workflow: Content → Email → Social

  • AI generates: outline, draft, hooks, CTA variations
  • Human edits: accuracy, tone, positioning, legal claims
  • System outputs: publish-ready post + repurposed assets

If you’re using automations (Zapier/Make/n8n), start with “assistive automation”:

  • Trigger: new idea added to content board
  • Action: generate outline + briefing doc
  • Output: draft appears in a doc for review

The goal isn’t full autonomy yet. It’s reliability.


Days 61–90: Operationalize (So It Doesn’t Die on a Tuesday)

This is where implementation becomes adoption.

What to lock in:

  1. Governance rules
  • What AI can do without approval
  • What requires human review
  • What is prohibited (privacy, customer data, etc.)
  1. Training + documentation
  • “How we use AI here” SOP
  • Where prompts/templates live
  • Who owns updates
  1. Metrics that matter
    Pick 2–3 per workflow:
  • Time saved per task
  • Cost per output (or labor hours reduced)
  • Error rate / rework rate
  • Cycle time (idea → published, lead → proposal, ticket → resolution)

AI ROI is rarely one big number. It’s a pile of small operational wins that compound.


Common mistakes (so you don’t step on rakes)

  • Automating a broken process
  • Letting everyone “do their own thing” with prompts
  • No review checklist → quality drifts fast
  • No owner → workflows rot
  • Measuring “AI usage” instead of business outcomes

If you want help implementing this fast

If you’d rather not spend 6 months “testing tools,” I do Done Day builds where we pick 1–3 workflows and implement the system end-to-end (templates, prompts, automations, governance, training).


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