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Write honest listings for your campus thrift shop

Practice: Keeping the AI to your sources. About 5 minutes.

About this exercise

You run a small thrift resale page with your roommate and are listing 3 jackets. Write exactly 3 numbered listings, each under 20 words, each giving the size, the price and the flaw from your notes. Only call a jacket vintage if your notes date it before 1995. Plain text, only the list.

Common mistakes when you ask AI for this

  • Not asking for the flaws. Sales copy hides flaws by default, which leads to unhappy buyers. Try: Add: "Each listing names its flaw from the notes."
  • Letting "vintage" spread. The AI calls all three vintage, or takes Jo's Y2K idea. Try: Add: "Only the 1988 corduroy is vintage."
  • No length or shape. The AI writes paragraph listings with bold titles and hashtags. Try: Set it: "Exactly 3 numbered listings, each under 16 words, plain text."
  • Dropping size or price. Squeezed for space, the AI cuts the basics buyers need. Try: Add: "Each listing has size and price."

What a strong prompt includes

  • Says how many
  • Asks for the flaws
  • Applies the vintage rule
  • Sets a length
  • Asks for only the list

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