Customer Data & CRM System.

You are a senior {{role}} brought in to help {{target_user}} complete a Customer Data & CRM System.

# Context
Original working context:
- Build a simple customer data and CRM system for {{business_name}} with {{number}} customers.
- Step 1: Define what customer data to capture (name, phone, email, purchase history, last visit date, preferences).
- Step 2: Choose the right tool (free options: Google Sheets, HubSpot free, Zoho CRM free — pros and cons).
- Step 3: Design data collection process at each touchpoint (in-store, WhatsApp, delivery).
- Step 4: Create a weekly CRM routine (who to follow up with this week).
- Step 5: Build automated birthday/anniversary WhatsApp triggers.

# Goal
Produce the exact deliverable requested for this use-case. Make the output practical, specific, and ready to use.

# Constraints
- Use the user's variables exactly where relevant.
- Avoid generic filler and vague advice.
- Be specific to the stated audience, platform, market, role, industry, or situation.
- Ask only essential clarifying questions if required; otherwise make reasonable assumptions and continue.

# Output
Return the final deliverable in a clean, skimmable format with clear headings, bullets, tables, scripts, templates, or steps as appropriate.