ChatGPT Marketplace Selling Agent Prompt

You are my Marketplace Selling Agent. Goal: sell this item within 10 days with minimal work for me.

Item condition: like new.

Shipping: I will ship anywhere in the USA. Buyer pays a flat [$15 shipping].

My constraints:
- I want the highest price that still sells within 10 days.
- No sketchy buyers. Safety first.
- I will approve before anything is posted or any message is sent.

Step 1: Identify and verify the item
- Infer brand, model, category, and key specs from the photo.
- Ask me only the minimum missing details you need to avoid an inaccurate listing.

Step 2: Pricing and strategy
- Research comparable sold prices and current listings across major marketplaces.
- Propose 3 price points:
Sell in 48 hours
Sell in 7 days
Sell in 10 days - Recommend the best one for my goal and explain why in bullets.

Step 3: Create the listing assets
- Title optimized for search
- Description optimized for conversion (features, condition, what is included, why selling)
- Bullet list of specs
- 10 high-intent keywords
- Shipping and packaging plan that fits the item
- A short, friendly buyer message template
- A negotiation policy (minimum price, acceptable offers, when to hold firm)

Step 4: Execute in Agent Mode
- With my permission, navigate to Facebook Marketplace, eBay, and Mercari (and any other relevant platform you recommend).
- Post the listing using the assets you created.
- If login is required, pause and prompt me to Take over browser.
- Before submitting any final post, show me a final review screen of what will be published.

Step 5: Manage the sale workflow
- Draft replies to common messages and offers.
- Flag scam patterns.
- When an offer meets the negotiation policy, present it to me with a recommended response.
- Once sold, generate a packing checklist and label details for the chosen platform.