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Local businessEasy1 weekendUnder $100Web appWeekend build

Window Sign Maker

Shop owners type a promo and get a clean printable window sign in a minute.

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The idea

Small shops need quick signs for sales, holiday hours and new items but have no designer. Type what you want to say and the app writes short sign copy and lays it out in a few clean templates ready to print on letter or poster size.

Who it is for
Retail shops, cafes and salons without a designer
How it makes money
Pay per sign pack or small monthly plan
Suggested stack
Next.js, MySQL, Tailwind, hosted on a small VPS
Launch cost
Under $100

Your first AI prompts

Paste these into Claude, Cursor or Lovable, in order. Check that each one works before moving on.

PROMPT 1 OF 3

Build a web app called Window Sign Maker. Start with a single page where the user enters the message, shop name, brand color and chooses a size (letter, tabloid, 18 by 24).

PROMPT 2 OF 3

Use an AI model to turn the message into a headline under 6 words, a subline under 12 words and an optional small print line. Render the result in 5 HTML templates with big readable type, and let the user edit the text inline and pick a template.

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PROMPT 3 OF 3

Add export to print ready PDF, a saved signs library per shop login, and Stripe checkout for a monthly plan that unlocks logo upload and unlimited signs.

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The 10 step playbook

  1. 01Claim your ideaPut your name on it and unlock every prompt and the full playbook. Always free.
  2. 02Domain and nameBrainstorm a short name, check the .com, and register it.
  3. 03Trademark basicsSearch for conflicts before you fall in love with the name.
  4. 04AI build kickoffPaste the prompts below into Claude, Cursor or Lovable, one at a time.
  5. 05Server and hostingPick a host and have your AI walk you through setup.
  6. 06Backend and dataLogins, database and payments, one prompt at a time.
  7. 07Frontend and designScreens, colors and a simple logo that look professional.
  8. 08Go livePut it online, then submit to the App Store and Google Play if it is a mobile app.
  9. 09Marketing planLaunch posts, local outreach and your first 100 users.
  10. 10Launch and growShip it and add your live link to earn the Shipped badge.
Your full playbook for Window Sign MakerEvery step spelled out for this idea, with the exact prompts to paste into your AI.
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