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AI · August 31, 2026

DealCheck

The independent second opinion before you sign

DealCheck launched on August 31, 2026 with 2 votes, #5,788 of 23,274 launches that month.

What it does

DealCheck Defender helps car buyers check the deal in front of them before signing. The mobile-first beta rebuilds the out-the-door price, checks sample APR and loan terms, flags fees and add-ons, explains what to challenge, and creates editable buyer-controlled wording backed by evidence. EV Mode covers battery warranty and health, real-world range, fast charging, recalls/software, replacement risk, FSD ownership, and depreciation. Fictional sample data only—no autonomous dealer contact.

A $0-start on-the-lot car-buying prototype that checks the out-the-door price, loan APR, fees, add-ons, and EV risks using clearly labeled sample data.

Scan the deal while you are still at the dealership. DealCheck rebuilds the out-the-door price, checks the loan, flags fees and add-ons, and gives you an evidence-backed next move. Use a buyer’s order, listing, or VIN. This prototype runs a fictional sample analysis only. No document is processed or stored. All results are prebuilt samplefrom dealcheck-beta-demo.spicy-bay-8527.chatgpt.site

Does a similar job

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  • CarCheck – Car Buying Checklist App2024 · usefulchecklists.com · ▲164

    Hey HN! A few years ago my brother in-law was looking to purchase his first car. He was struggling to know what to look for when going to car dealerships and felt quite overwhelmed with the financial and practical decisions required. Not that I have any particular expertise with cars or the engineering involved, but through my own experiences purchasing cars and owning them I gave him some advice and "tips". As anyone would. Things only morphed from there, I spent the next couple of years in my spare time learning to code, researching, and developing CarCheck. It's been a journey! Hindsight…

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