Deal alerts for resellers who cannot afford slow notifications
Deal Notifier is deal-finder infrastructure for flippers and full-time resellers: scheduled marketplace scans, flexible notification routing, and enough parallel alerts to cover your niches.
How it works
Step 1
Create a deal alert
Pick the marketplace, enter keywords, and set price filters.
Step 2
We scan on schedule
Deal Notifier checks for new listings at the interval you choose.
Step 3
Get notified
Mobile alerts, email, Discord, or ntfy—act before the listing is gone.
Sound familiar?
- Refreshing saved searches while a Buy It Now listing sells in minutes
- Juggling Chrome tabs for eBay, Mercari, and Facebook Marketplace
- Missing alerts because native marketplace emails arrive too late
- Running out of mental bandwidth when you watch dozens of keywords
What resellers say
“i really needed this.”
“i love browsing cute dresses on this app ❤️”
“way better than juggling dumb chrome tabs”
Pick your marketplaces
Start with the channels where you already source inventory, then add more deal alerts as you scale.
Browse all marketplace deal alerts · eBay deal finder · eBay fee calculator 2026 · Depop fee calculator · Poshmark fee calculator · Pricing
Reseller FAQ
Most marketplaces notify hours later—or not at all on short-lived listings. When margin depends on being first, scheduled scans plus mobile alerts win.
Plan limits vary by tier. Side Hustle and Reseller tiers are built for operators running many parallel keyword watches.
Yes. You can setup mobile push alerts, email, or Discord notifications.
No extension required. Scans run in the cloud 24/7, so you are not tied to open tabs or a Chrome plugin that stops when you step away.
Start where you already source inventory. Most resellers begin with eBay or Facebook Marketplace, then add Mercari or Poshmark for apparel.