# Shopify-pet · Day 0 — Delivery email

**Subject:** Your DataTools download (start here)
**Send:** immediately on Gumroad purchase confirmation
**Goal:** download + first run within 24h

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Hi {{first_name}},

Thanks for buying DataTools. Your download:

→ **{{download_url}}**

Three things to do in the next 5 minutes:

**1. Download the installer for your OS** (Mac `.dmg`, Windows `.exe`, or Linux `.tar.gz`). About 280 MB. The link auto-detects.

**2. Run it.** First launch takes ~5 seconds; a browser tab opens to `127.0.0.1:8501`. That's the app — running locally on your machine. No data leaves the box. Your customer list never goes to a server.

**3. Drop in a real Shopify customer export.** Don't bother with the bundled samples. Customers > Export > "All customers" > CSV in Shopify admin. Drag it into DataTools' analyzer, click **"Run all"**. You'll see what it catches — typically a few hundred phone-format issues, some hidden-character emails, and a handful of cross-row duplicates — in about 30 seconds.

If something doesn't work: reply to this email. Goes to my inbox.

Refund: also reply. 30-day no-questions; no form.

Tomorrow I'll send a sample Shopify customer export with the tricky cases pre-built in, so you can see what the cleanup catches on a known input. After that you'll get one email a week for the next month with one tip each. Unsubscribe at the bottom of any of them.

Welcome aboard.

— Michael
{{support_email}}

P.S. Got a fellow store owner who'd find this useful? {{landing_page}}.
