Does this scrape Zillow, Redfin, or another listing site?

No. It only reads a Google Sheet you maintain yourself — nothing is pulled from any third-party site.

How do I add a new interested buyer?

Add their email (comma-separated if there's more than one) to the "Interested Emails" column for that listing's row.

Real EstateStructurally Validated

Listing Price Change Alert

Keep your listing prices in a Google Sheet you already maintain, and this automation checks it twice a day. The moment a price changes, everyone marked as interested in that listing gets an email with the old and new price — automatically. It never touches a third-party real estate site; the sheet is entirely your own data.

Automation flow

Step 1

Twice-Daily Check

A schedule trigger reads your Listings sheet every 12 hours.

Step 2

Detect Changes

Rows where the price differs from the last notified price are picked out.

Step 3

Send Alert Email

Everyone marked as interested gets an email with the price update.

Step 4

Update Tracking

The sheet is updated so the same change doesn't trigger twice.

How it works

1Every 12 hours, the workflow reads your Listings sheet.
2Any row where Price no longer matches Last Notified Price is picked out.
3An email goes out to everyone in that row's Interested Emails field with the old and new price.
4Last Notified Price is updated so the same change doesn't trigger a second email.

Services used

Google SheetsGmail

What you'll need

An n8n Cloud or self-hosted account
A Google account (Sheets + Gmail)

> This watches a spreadsheet you maintain — it never scrapes a third-party real estate site. Keep your listing prices up to date in the sheet and the automation takes care of the rest.

What's included

No scraping — works entirely off your own spreadsheet
Multiple interested buyers per listing supported
Prevents duplicate alerts automatically
Adjustable check frequency

Estimate what this could save you

Times per week

Minutes each time

Your hourly value ($)

3.6 hours/month

≈ $108/month in your time

A rough estimate based on what you enter above — not a guarantee. Actual time saved depends on your process.

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Save with the complete system: Real Estate, Hospitality & Events Bundle

Instead of buying separately: $177 — System: $79

View system

Questions about this template

$19one-time

Secure checkout via Polar. Delivered by email instantly.

Structurally validated: automatically checked for valid n8n format before every deploy.

Difficulty: Easy
Setup time: ~15 min
Integrations: 2
Node count: 5
Format: .json + guide