Kids outgrow clothes faster than you can wash them — and that pile of barely-worn outfits is worth real money. The North American kids' clothing market is expanding steadily, per Cognitive Market Research, making secondhand children's apparel one of the easiest categories to sell online or locally. Whether you're decluttering a closet or building a side hustle, the right platform makes all the difference. If you're already familiar with selling secondhand items or want to branch out beyond selling on Facebook Marketplace, this guide covers nine proven options to turn outgrown clothes into cash. Let's get started!
Quick Answer
You can sell kids clothes on platforms like Facebook Marketplace, eBay, Poshmark, ThredUp, or local consignment shops. The North American kids' secondhand clothing market is growing steadily, making it one of the easiest categories to resell. Barely-worn children's items sell quickly since kids outgrow clothes fast, giving sellers a constant supply of inventory.
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Summary Table
| Item Name | Price Range | Best For | Website |
|---|---|---|---|
| Shopify | $19–25/month | E-commerce Entrepreneurs | Visit Site |
| Facebook Marketplace | Free to list | Local Sellers, No-Fee Sales | Visit Site |
| Poshmark | 20% fee on sales over $15 | Brand-Name & Boutique Sellers | Visit Site |
| Bounce Mkt | Free to ship; upfront payout | Hands-Off Sellers | Visit Site |
| Owltree Kids | Free to list; commission-based | Kids' Clothing Specialists | Visit Site |
| Sellas | Free to use | Quick Local Resellers | See details |
| Shop Tomorrows | Free to participate | Instagram-Savvy Sellers | Visit Site |
| OfferUp | Free; 12.9% fee on shipped items | Local & Nationwide Sellers | Visit Site |
| JBF Sale | Consignors keep 60–70% of sales | Bulk & Seasonal Sellers | Visit Site |
Sell Kids' Clothes: 8 Smart Ways to Make Money (2026)
Below you'll find detailed information about each option, including what makes them unique and their key benefits.
1. Shopify
Shopify lets you build a dedicated online store to sell kids' clothes under your own brand, with no coding required. It handles payments, inventory tracking, and shipping tools in one place — ideal for parents or entrepreneurs turning a clothing side hustle into a real business. Plans start at just $19–25/month with a 3-day free trial.
Key features:
- Pre-built themes sized for clothing and apparel stores
- Built-in payment processing and discount tools
- Best for: Entrepreneurs wanting a branded children's clothing storefront
2. Facebook Marketplace
Facebook Marketplace is one of the fastest ways to offload secondhand children's clothing locally, with zero listing fees and a massive built-in audience. You can list outgrown outfits, bundle items by size, and arrange local pickup to avoid shipping entirely. It's especially practical for parents clearing out seasonal kids' gear quickly.
Notable perks:
- Free to list — no platform fees for local sales
- Reach local buyers fast using your existing Facebook account
- Option to ship and expand reach beyond your local area
3. Poshmark
Poshmark is a popular resale app with a dedicated kids' and baby clothing category, making it easy to find buyers specifically looking for children's brands like Carter's, Gap Kids, or Mini Boden. Sellers set their own prices, and Poshmark handles the prepaid shipping label once a sale goes through. The platform takes a flat $2.95 fee on sales under $15, and 20% on sales $15 and above.
What you get:
- Built-in audience actively shopping kids' clothing resale
- Prepaid USPS shipping label provided after each sale
- Bundle feature to sell multiple kids' items in one transaction
4. Bounce Mkt
Bounce Mkt is a resale marketplace designed specifically for secondhand children's items, making it a straightforward option for parents looking to sell kids clothes quickly. Listings are straightforward to create, and the platform attracts buyers already searching for gently used children's apparel, reducing the time items sit unsold.
What to know:
- Focused buyer audience actively seeking children's items
- Simple listing process suited for casual sellers
- Community-driven format keeps transactions local or shipped
5. Owltree Kids
Owltree Kids is a niche platform built around buying and selling children's clothing, toys, and gear — meaning every visitor is already a potential buyer for your items. The category-specific focus helps sellers get better visibility for outgrown outfits compared to general marketplaces where kids' apparel competes with unrelated listings.
Notable perks:
- Dedicated children's category browsing increases item discoverability
- Targeted audience of parents ready to purchase
- Suits sellers with small or large inventories of children's apparel
6. Sellas
Sellas functions as a social-style selling app where you can list secondhand children's clothing and connect directly with local or national buyers through a mobile-first interface. For parents offloading seasonal wardrobes or full clothing bundles, the app's chat and offer features make negotiating prices and closing sales faster than traditional listing sites.
Key features:
- Mobile-friendly listing — photo, price, and post in minutes
- Direct buyer messaging supports bundle deals and offers
- Works for both individual pieces and bulk clothing lots
7. Shop Tomorrows
Shop Tomorrows is a resale platform specifically designed for children's and maternity clothing, making it a natural fit for parents looking to move outgrown kids' items. Sellers can list gently used pieces quickly, and the platform's focused audience means buyers are already looking for exactly what you're selling.
Worth knowing:
- Niche focus attracts serious buyers rather than casual browsers
- Accepts children's clothing across all sizes and seasons
- Good alternative to general marketplaces when targeting parent shoppers specifically
8. OfferUp
OfferUp connects local buyers and sellers, letting you offload bundles of outgrown children's clothing without shipping hassles. Parents frequently search OfferUp for affordable kids' clothing deals, so listing seasonal bundles or size lots can move inventory fast — often within days of posting.
Key details:
- Free to list; optional promoted listings available for faster sales
- Local pickup eliminates shipping costs entirely
- Nationwide shipping also available through the app if preferred
9. JBF Sale
Just Between Friends (JBF) is a children's and maternity consignment sale franchise that runs seasonal events in hundreds of cities, giving sellers direct access to large crowds of deal-hunting parents. You tag your items, drop them off, and JBF handles the selling floor — ideal for clearing out large amounts of kids' clothing at once rather than listing piece by piece.
Seller basics:
- Sellers typically keep 60–70% of each item's sale price
- Events run twice yearly (spring/summer and fall/winter seasons)
- Volunteering earns a higher seller percentage and early shopping access
Final Words
Your best bet depends on whether you want speed, the highest payout, or a ready-made audience of parents actively shopping for kids' clothing. Explore alternative selling platforms to find the right fit for your items.