World savingEasy1 to 2 weekendsUnder $100Web and mobileWorld saving

Hand Me Down

Families pass outgrown kids clothes and gear to the next family nearby.

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The idea

Kids outgrow everything fast. Parents post bundles of clothes, car seats and toys by size and age, and families nearby claim them for free instead of buying new.

Who it is for
Parents of babies and young kids
How it makes money
Free for families, sponsorship by local businesses and schools
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 Hand Me Down for one area. Parents sign up with zip code and post bundles with photos, item type, size or age range and pickup area.

PROMPT 2 OF 3

Let families browse bundles by size, age and distance and tap Claim. The poster picks who gets it and both get each other's pickup details.

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PROMPT 3 OF 3

Add a Wish List so parents get a text when a matching bundle is posted nearby, plus a counter of items kept out of the landfill.

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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 Hand Me DownEvery step spelled out for this idea, with the exact prompts to paste into your AI.
Open full playbook

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