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DealRaider
One search across second-hand marketplaces in Europe
You check one marketplace, the seller is on another. DealRaider searches the second-hand sites it covers for your country and returns one list, sorted by price. Set an alert and it keeps watching — you hear about a new listing the moment it appears, even at 3am.
I built this because I bought a used phone on the Dutch marketplace everyone uses, and found the same model two weeks later on another site for eighty euros less. It had been listed four days before I bought mine. Not hidden, not in some obscure corner — one site over, in my own language. I'd just stopped looking.
DealRaider doesn't stop looking. You give it a product and a price range, it searches the marketplaces it covers for your country, and comes back with one list sorted by price. Set an alert and it keeps watching in the background.
Some things that were harder than expected:
Every country writes prices differently. "1.299,00" here, "1,299.00" there, "170000 Ft" in Hungary with no separator at all. I lost a week to a bug where Hungarian prices were being read as zero.
Every language has its own word for "phone case", and short words hide inside longer ones — "capa" sits inside the Romanian word for storage capacity, so for a while every phone with its capacity listed was being thrown out as an accessory.
Sites break silently. They change their HTML and the scraper returns zero instead of an error. So there's a check that runs every night across every source and tells me which ones stopped working, before a customer notices.
It's a paid service, with day and week passes so you can try it for the length of one hunt. Honest about the limits too: a few marketplaces block bots outright and I can't reach those.
Happy to answer anything, and I'd like to hear where it falls short.
About DealRaider on Product Hunt
“One search across second-hand marketplaces in Europe”
DealRaider was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #216 on the daily leaderboard. You check one marketplace, the seller is on another. DealRaider searches the second-hand sites it covers for your country and returns one list, sorted by price. Set an alert and it keeps watching — you hear about a new listing the moment it appears, even at 3am.
On the analytics side, DealRaider competes within E-Commerce, Tech and Shopping — topics that collectively have 679.5k followers on Product Hunt. The dashboard above tracks how DealRaider performed against the three products that launched closest to it on the same day.
Who hunted DealRaider?
DealRaider was hunted by DealRaider. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
DealRaider
Hi Product Hunt 👋
I built this because I bought a used phone on the Dutch marketplace everyone uses, and found the same model two weeks later on another site for eighty euros less. It had been listed four days before I bought mine. Not hidden, not in some obscure corner — one site over, in my own language. I'd just stopped looking.
DealRaider doesn't stop looking. You give it a product and a price range, it searches the marketplaces it covers for your country, and comes back with one list sorted by price. Set an alert and it keeps watching in the background.
Some things that were harder than expected:
Every country writes prices differently. "1.299,00" here, "1,299.00" there, "170000 Ft" in Hungary with no separator at all. I lost a week to a bug where Hungarian prices were being read as zero.
Every language has its own word for "phone case", and short words hide inside longer ones — "capa" sits inside the Romanian word for storage capacity, so for a while every phone with its capacity listed was being thrown out as an accessory.
Sites break silently. They change their HTML and the scraper returns zero instead of an error. So there's a check that runs every night across every source and tells me which ones stopped working, before a customer notices.
It's a paid service, with day and week passes so you can try it for the length of one hunt. Honest about the limits too: a few marketplaces block bots outright and I can't reach those.
Happy to answer anything, and I'd like to hear where it falls short.