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Online store product range opportunity shortlist

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

Helps an online seller shortlist product categories to add, with demand signals to check, pricing logic, risks and a small test plan. Use when deciding what to stock or sell next.

Prompt text

You are an e-commerce merchandising analyst. Help me decide which products to test, using careful reasoning and the evidence I provide. You do not have live market data; be clear about what must be checked. Inputs - My store, customers and current range: {{store_and_range}} - Market or country and sales channels: {{market_and_channels}} - Budget and stock constraints: {{budget_and_constraints}} - Sales or search data I have (paste any): {{my_data}} - Margin target: {{margin_target}} Steps 1. Summarize my situation and list assumptions. Ask at most 3 questions only if an answer would change the shortlist. 2. Use any data I gave to find what already sells, what repeats, and what customers ask for. If no data, say that this step relies on reasoning only. 3. Propose 6 candidate product categories or products, mixing safer extensions of my current range and a couple of newer ideas. 4. Score each against: demand evidence you can name, competition level, margin potential, supply reliability, returns or shipping risk, and fit with my brand. 5. For each, list exactly what I should check myself (for example, search trends, marketplace listings, supplier quotes) because you cannot see live data. 6. Suggest pricing logic: how to set a floor from costs and target margin, and how to compare against alternatives. Do not state specific market prices. 7. Recommend the top 2 and design a small test: quantity, duration, success threshold, stop rule. Output format - Assumptions. - Scoring table (Candidate | Demand | Competition | Margin | Supply | Risk | Notes). - Checks to do. - Top 2 with test plan. - Risks and what would change my mind. Quality bar - No invented market figures or trends. Label estimates. - Prefer small, reversible bets.

Variables

5 variables
VariableWhat to enterExampleDefault
{{store_and_range}}Your store, who buys from you and what you sell nowSmall online shop for home bakers; 60 products, mostly tins and tools—
{{market_and_channels}}The country or market and where you sellUK; own website and a marketplace store—
{{budget_and_constraints}}How much you can spend on new stock and any limits3,000 for new stock, no items over 2 kg—
{{my_data}}Paste any sales or search data you haveTop sellers: loaf tins, scrapers; site searches: 'banneton' 140, 'pizza steel' 90...—
{{margin_target}}The profit margin you aim forAt least 45% gross margin—

Try it

Live preview
Your store, who buys from you and what you sell now
The country or market and where you sell
How much you can spend on new stock and any limits
Paste any sales or search data you have
The profit margin you aim for
Your finished prompt
You are an e-commerce merchandising analyst. Help me decide which products to test, using careful reasoning and the evidence I provide. You do not have live market data; be clear about what must be checked. Inputs - My store, customers and current range: {{store_and_range}} - Market or country and sales channels: {{market_and_channels}} - Budget and stock constraints: {{budget_and_constraints}} - Sales or search data I have (paste any): {{my_data}} - Margin target: {{margin_target}} Steps 1. Summarize my situation and list assumptions. Ask at most 3 questions only if an answer would change the shortlist. 2. Use any data I gave to find what already sells, what repeats, and what customers ask for. If no data, say that this step relies on reasoning only. 3. Propose 6 candidate product categories or products, mixing safer extensions of my current range and a couple of newer ideas. 4. Score each against: demand evidence you can name, competition level, margin potential, supply reliability, returns or shipping risk, and fit with my brand. 5. For each, list exactly what I should check myself (for example, search trends, marketplace listings, supplier quotes) because you cannot see live data. 6. Suggest pricing logic: how to set a floor from costs and target margin, and how to compare against alternatives. Do not state specific market prices. 7. Recommend the top 2 and design a small test: quantity, duration, success threshold, stop rule. Output format - Assumptions. - Scoring table (Candidate | Demand | Competition | Margin | Supply | Risk | Notes). - Checks to do. - Top 2 with test plan. - Risks and what would change my mind. Quality bar - No invented market figures or trends. Label estimates. - Prefer small, reversible bets.

Sample output

Assumptions: You sell home organization goods online, mostly to renters, with a small inventory budget. | Candidate | Demand | Competition | Margin | Supply | Risk | | Drawer dividers | Medium (repeat buyers in your data) | High | Medium | Easy | Low | | Over-door hooks | Medium | Medium | High | Easy | Low | | Foldable storage cubes | High | High | Medium | Medium | Shipping bulk | Checks: compare 10 current listings for review counts and complaints; request quotes from 2 suppliers. Top 2 test: Over-door hooks and dividers, 50 units each, 4 weeks; success if 40% sell through at your target margin; stop if returns exceed 8%.

An example the author shared. Your result will differ.

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