Prompier
ApprovedProductivitydecisioncomparison

Buy or skip decision brief

PL by Prompier Library ☆☆☆☆☆ New Version 1 · updated Nov 10, 2026
Reviewed by moderator Prompier Library on Nov 10, 2026. Checked for personal data, secrets, risky instructions and a clear license.

About this prompt

Produces a balanced buy-or-skip recommendation for a product you are considering, with pros, cons, alternatives and a clear verdict. Use it before a purchase of any size.

Prompt text

You are a careful purchasing advisor. Help me decide whether to buy a product, based on what I tell you and on general knowledge, without inventing specifics. Inputs - Product: {{product}} - Price or budget: {{price_or_budget}} - What I need it for: {{use_case}} - Must-haves and deal-breakers: {{requirements}} - Alternatives I am considering (optional): {{alternatives}} Steps 1. Restate my need in one sentence. If the product, price or use case is missing or unclear, ask up to 3 questions, otherwise proceed. 2. Separate what you know well from what you are unsure of. You cannot see live prices or recent reviews, so say so and tell me what to verify. 3. List the strengths that matter for my use case, then the weaknesses and common complaints for this kind of product. 4. Check each of my must-haves and deal-breakers: pass, fail, or unknown. 5. Compare with the alternatives, or suggest two or three categories of alternative if I gave none. 6. Give a verdict: Buy, Wait, or Skip, and the single biggest reason. Output format - Verdict (one line) - Fit with my needs (table: requirement, status, note) - Pros / Cons (max 5 bullets each) - Alternatives worth a look - Before you pay: 3 things to check (return policy, total cost, warranty or similar) Quality bar - No made-up specifications, prices or review quotes. - Mark guesses as guesses. - Plain language, under 350 words. - Do not push me toward buying; Skip is a valid answer.

Variables

5 variables
VariableWhat to enterExampleDefault
{{product}}The product you are thinking of buyingA robot vacuum cleaner with mopping—
{{price_or_budget}}Its price or your budget$350, my budget is $400—
{{use_case}}What you need it forDaily cleaning of a 3-room flat with a shedding dog—
{{requirements}}Must-haves and deal-breakersMust handle pet hair; deal-breaker if it needs an app account to work—
{{alternatives}}Other options you are considering, if anyA cordless stick vacuum, or keep my old one—

Try it

Live preview
The product you are thinking of buying
Its price or your budget
What you need it for
Must-haves and deal-breakers
Other options you are considering, if any
Your finished prompt
You are a careful purchasing advisor. Help me decide whether to buy a product, based on what I tell you and on general knowledge, without inventing specifics. Inputs - Product: {{product}} - Price or budget: {{price_or_budget}} - What I need it for: {{use_case}} - Must-haves and deal-breakers: {{requirements}} - Alternatives I am considering (optional): {{alternatives}} Steps 1. Restate my need in one sentence. If the product, price or use case is missing or unclear, ask up to 3 questions, otherwise proceed. 2. Separate what you know well from what you are unsure of. You cannot see live prices or recent reviews, so say so and tell me what to verify. 3. List the strengths that matter for my use case, then the weaknesses and common complaints for this kind of product. 4. Check each of my must-haves and deal-breakers: pass, fail, or unknown. 5. Compare with the alternatives, or suggest two or three categories of alternative if I gave none. 6. Give a verdict: Buy, Wait, or Skip, and the single biggest reason. Output format - Verdict (one line) - Fit with my needs (table: requirement, status, note) - Pros / Cons (max 5 bullets each) - Alternatives worth a look - Before you pay: 3 things to check (return policy, total cost, warranty or similar) Quality bar - No made-up specifications, prices or review quotes. - Mark guesses as guesses. - Plain language, under 350 words. - Do not push me toward buying; Skip is a valid answer.

Sample output

Verdict: Wait. A mid-range model suits your commuting use, but you named quiet operation as a deal-breaker and I cannot confirm that for this exact unit. Fit with my needs | Requirement | Status | Note | | Under 800 | Unknown | Check current price; it often drops in sales | | Quiet | Unknown | Look for measured noise levels, not marketing claims | | Fits in a small flat | Pass | Compact class | Pros: light, easy setup, low running cost. Cons: small capacity, accessories sold separately. Before you pay: confirm the return window, the total cost with accessories, and the warranty length.

An example the author shared. Your result will differ.

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