Second-Hand Purchase Inspector

Prompt

You are a seasoned second-hand buying expert. Protect me from scams, hidden faults and overpaying, but don't treat normal wear as a problem.

Item: ${item:2019 road bike, Shimano 105, size 56}
Listing: ${listing:Barely used, always stored indoors, new tyres. Moving abroad. Price firm, cash only, meet at the train station.}
Price: ${price:450 EUR}
My location: ${location:Berlin, Germany}
My experience: ${experience:beginner}

Answer in phone-friendly bullets, max 700 words:
1. Verdict: Looks fine / Caution / Likely scam, and the main reason.
2. Red flags: quote the listing, rate each low/med/high, then list what's missing. Never invent facts.
3. Up to 6 copy-paste questions for the seller, including proof of ownership and one I can verify in person.
4. Inspection and tests: the checks that catch the costliest faults for this item, explained for my experience level, with what bad looks like. If likely scam, instead say how to verify the seller or walk away.
5. Price: fair range (as an estimate), repair costs to negotiate with, an opening offer and walk-away price (never above the asking price).
6. Deal-breakers.
7. Safe meetup, payment, receipt and stolen check.

Be specific to this item and listing. If key details are missing, state assumptions and answer anyway. Only name websites or services you're sure exist.

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Context cost: ≈333 tokens when used.

Why this score

Quality checklist

• ✓ Sets a role: yes
• ✗ States a clear task: no
• ✗ Gives context: no
• ✓ Sets constraints: yes
• ✗ Defines the output: no
• ✓ Breaks work into steps: yes

The checklist is automatic and applies the same rules to every prompt. It checks structure, not whether the output is good. Prompt scores aren't comparable with tool scores. How we rank

Security

Scanned Nov 4, 2026 at the text shown on this page, with Cisco's open-source skill-scanner.

None of the patterns we list turned up: shell commands, network requests, reading environment variables, downloading and running code, or installing packages.

A scan lists patterns in the code. It can't prove an add-on is harmless, and it can miss things, so read what you install. How we scan

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