PriceArbiThe deal finds you while you sleep.
Name what you want and your max price. We watch eBay 24/7 — with more marketplaces coming — and ping you the second a real deal lands.
Type what you want in plain English — price included. We figure out the item and filter out the junk.
Type anything you'd want to buy, set your max price, and run a scan. PriceArbi checks every marketplace at once and filters out the junk.
Get the day's best arbitrage opportunities in your inbox
One short email when items drop below market. Track prices before everyone else — no spam, unsubscribe anytime.
No spam. Unsubscribe in one click.
🔒 No fake numbers, ever. Every result is labeled sample, estimate, or live — we never invent counts to look busy.
This is what catching a deal looks like
Set a watch once, then forget about it. When the price drops below your line, the alert comes to you.
15-second silent demo
Deals under market, caught at the line
Honest preview: these are sample below-market finds PriceArbi is built to catch — illustrative eBay listings, not real user transactions. We scan eBay today (more marketplaces coming), and real receipts replace these the moment live catches roll in.
PS5 Slim Disc
eBay · Austin, TX
$339
−18% · $76 under
Steam Deck OLED 512GB
eBay · Denver, CO
$372
−17% · $77 under
Sony WH-1000XM5
eBay · Portland, OR
$218
−27% · $81 under
Dyson V15 Detect
eBay · Tampa, FL
$421
−22% · $118 under
iPad Air M2 256GB
eBay · Columbus, OH
$489
−18% · $110 under
Bowflex 552 pair
eBay · Mesa, AZ
$219
−33% · $110 under
Find an underpriced truck before the dealer does.
You'll spend 5 seconds to save $0.30 on gas — and 3 days to save $3,000 on a vehicle. Vehicles are where the real money hides. We're deciding what to build next, and your vote tells us if this should jump the line.
Three steps, then you forget about it
Name your target
Search for the item and set the most you'll pay, shipping included.
We watch eBay 24/7
Every new eBay listing is checked against your price — and your junk filters. More marketplaces are coming.
You get pinged
A real deal lands? Instant alert with the listing and how far below comparable listings it's priced.
What makes PriceArbi different
Most deal tools bury you in alerts. We built PriceArbi to be the one your parents could actually use.
Junk filtered out
No more "for parts" listings or cheap accessories cluttering your alerts.
Instant alerts
The second a deal hits your price, you know. Not tomorrow. Not in a digest.
Priced below the field
Every alert shows how far below comparable live listings it sits — then run your own sell price through the flip calculator for real margin.
Zero learning curve
Set it once. Get alerts. That's it. No dashboards. No spreadsheets.
Be alerted when products become undervalued
Join the list and we'll ping you the moment a flip-worthy price drop hits — before the listing gets bought.
No spam. Unsubscribe in one click.
See what a catch is actually worth
Armed a watch? Play with the flip math so you know your margin before the alert even lands.
See the margin before you buy
Punch in any deal and PriceArbi shows your real take-home profit, ROI, and margin — after fees and shipping. This is the math every alert does for you automatically.
50%
ROI
27%
Margin
$28.60
Fees
💰 This one clears a profit — exactly the kind of deal we'd ping you about.
PriceArbi
One profitable catch usually pays for the year.
- ✓Unlimited watches
- ✓Instant alerts the moment a deal lands
- ✓Smart junk & condition filters
- ✓Seller-rating minimums
- ✓How far below comparable listings on every hit
Secure checkout · cancel anytime at /manage
Every reason to hesitate, handled
Yes. PriceArbi scans live eBay listings right now and alerts you the moment one drops to your price. We're eBay-only today — Mercari, Amazon, and Facebook Marketplace are on the roadmap, and we'll never invent numbers or show fake counts to look busy.