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World savingEasy1 to 2 weekendsUnder $100Web and mobileWorld saving

Tool Library

Neighbors lend each other tools instead of everyone buying one.

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The idea

List the drill, ladder and pressure washer you rarely use. Neighbors request to borrow them, and everyone saves money and garage space.

Who it is for
Neighborhoods, HOAs, apartment buildings
How it makes money
Free for neighbors, paid plan for HOAs and apartment buildings
Suggested stack
Next.js web app plus Expo mobile app, shared Supabase backend
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 Tool Library for one neighborhood. Members join with an invite code and list tools with a photo and description.

PROMPT 2 OF 3

Add borrowing: a member requests a tool for certain dates, the owner approves, and both get reminders for pickup and return.

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PROMPT 3 OF 3

Add a borrow history, a trust score based on on time returns, and an admin view for the neighborhood organizer.

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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 Tool LibraryEvery step spelled out for this idea, with the exact prompts to paste into your AI.
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