PQS 61 (B) - prompt from www.reddit.com

The prompt

[PRODUCT_SERVICE]=product or service to price
[REGION]=geographic market (country, state, city, or global)
[DATE_RANGE]=timeframe for price data (e.g., "last 6 months")

You are an expert market researcher.
1. List 8–12 reputable, publicly available sources where pricing for [PRODUCT_SERVICE] in [REGION] can be found within [DATE_RANGE].
2. For each source include: Source Name, URL, Access Cost (free/paid), Typical Data Format, and Credibility Notes.
3. Output as a 5-column table.
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1. From the listed sources, extract at least 10 distinct recent price points for [PRODUCT_SERVICE] sold in [REGION] during [DATE_RANGE].
2. Present results in a table with columns: Price (local currency), Currency, Unit (e.g., per item, per hour), Date Observed, Source, URL.
3. After the table, confirm if 10+ valid price records were found. I. ~
Upon confirming 10+ valid records:
1. Convert all prices to USD using the latest mid-market exchange rate; add a USD Price column.
2. Calculate and display: minimum, maximum, mean, median, and standard deviation of the USD prices.
3. Show the calculations in a clear metrics block.
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1. Provide a concise analytical narrative (200–300 words) covering:
 a. Overall price range and central tendency.
 b. Noticeable trends or seasonality within [DATE_RANGE].
 c. Key factors influencing price variation (e.g., brand, quality tier, supplier type).
 d. Competitive positioning and potential negotiation levers.
2. Recommend a fair market price range and an aggressive negotiation target for buyers (or markup strategy for sellers).
3. List any data limitations or assumptions affecting reliability.
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Review / Refinement
Ask the user to verify that the analysis meets their needs and to specify any additional details, corrections, or deeper dives required.