List once.Sell everywhere with AI.
Create listings in seconds. AI writes your titles, descriptions, and pricing — then publishes to eBay, Poshmark, Mercari, Depop & Facebook Marketplace from one place.
Built for resellers who sell across multiple marketplaces.
No credit card required • Start selling in minutes
- Post to 5+ marketplaces at once
- 10 listings free, no card needed
- Cancel anytime
Post to the marketplaces you already sell on
What is Cross Listing?
Cross listing (also called cross posting) is the practice of publishing the same product for sale on multiple online marketplaces at the same time. Instead of listing a pair of sneakers only on eBay, a cross listing tool lets you post it to eBay, Poshmark, Mercari, Depop, and Facebook Marketplace simultaneously—multiplying your exposure and chances of a sale.
Manual cross listing is time-consuming. Each platform has different title limits, category trees, condition options, and photo requirements. SellTheFlip automates the entire process: upload your photos once, let AI generate optimized titles and descriptions, then publish everywhere with a single click.
Whether you’re a casual reseller clearing out your closet or a full-time flipper moving 100+ items per week, cross listing is the fastest way to increase sell-through rates without spending extra on advertising.
Your AI Listing Assistant, Built for Resellers
Stop spending hours reformatting listings. Our AI does the heavy lifting so you can focus on sourcing and shipping.
Snap a Photo, Get a Listing
Point your camera at any item. Our AI suggests titles, descriptions, categories, brand, size, condition, and price based on the photo — you review and tweak before publishing.
AI-Optimized for Every Platform
Each marketplace has its own title limits, category trees, and tone. Our AI tailors your listing for each channel’s rules so it fits the platform — not a one-size-fits-all paste.
Publish to 5+ Marketplaces at Once
From your dashboard, send one listing to the marketplaces you’ve connected (e.g. eBay, Poshmark, Mercari, Depop, and Facebook Marketplace) without retyping the same details on every site.
How Our Cross Posting Software Works
Three simple steps to list on every marketplace at once.
Upload Your Product Once
Snap a photo or upload images. Our AI analyzes the item and auto-fills the title, description, category, condition, and price.
Auto-Format for Each Marketplace
Sell The Flip automatically adapts your listing to each platform's specific fields, categories, and requirements.
Publish to eBay, Poshmark, Mercari, Depop & Facebook Marketplace
Hit publish once and your listing goes live on eBay, Poshmark, Facebook Marketplace, Mercari, and Depop simultaneously.
Why Resellers Choose Sell The Flip
Purpose-built for people who flip items for profit.
5+
Marketplaces
Cross post to eBay, Poshmark, Facebook Marketplace, Mercari, and Depop from one dashboard.
10x
Faster Listing
AI suggests titles, descriptions, and categories so you spend less time on busywork and more time listing.
AI
Powered
Upload a photo and our AI drafts listing details you can edit before you publish.
$8
Per Month
Affordable pricing with everything included. Save with annual billing.
Built for Online Resellers
Whether you flip thrift store finds or run a full reselling business, Sell The Flip saves you hours every week.
Thrift Sellers
Turn thrift store finds into listings on every platform in seconds.
Sneaker Flippers
Get your drops listed fast across eBay, Mercari, and Depop.
Vintage Sellers
Showcase your vintage items with AI-crafted descriptions that sell.
Small Business Owners
Scale your online presence without hiring a team.
Simple, Transparent Pricing
10 free marketplace postings to get started, then everything you need to cross-list and grow your reselling business.
Monthly
Flexible, cancel anytime
- Unlimited cross-listing
- Import from all marketplaces
- AI-powered listing generation
- Bulk delist / Bulk posting
- Listing health & optimize tools
- Sale Detection
- 24 images per listing
- CSV import and export
- Priority support
Annual
Best value — save $16
- Unlimited cross-listing
- Import from all marketplaces
- AI-powered listing generation
- Bulk delist / Bulk posting
- Listing health & optimize tools
- Sale Detection
- 24 images per listing
- CSV import and export
- Priority support
What Resellers Are Saying
“I used to spend 3 hours a night relisting. Now I list 20 items in under 30 minutes across all five platforms.”
Jordan M.
Thrift Reseller
“The AI descriptions are shockingly good. It even picks up the colorway and year from the photos. Total game changer.”
Priya S.
Sneaker Seller
“Finally a cross listing tool that doesn't feel like it was built in 2012. Clean UI, fast, and just works.”
Marcus T.
Vintage Dealer
Manual Listing vs. Sell The Flip
| Feature | Manual | Sell The Flip |
|---|---|---|
| List on 5 platforms | 60+ min | < 5 min |
| AI-generated descriptions | ✗ | ✓ |
| Auto-format per marketplace | ✗ | ✓ |
| Photo upload & analysis | Manual | AI-powered |
| Platform-specific fields | Look up each | Auto-filled |
| Cost | Free (your time) | $8/mo |
Cross Listing Guides & Resources
Learn how to sell faster on every marketplace with our free guides.
What Is Cross Listing?
The complete beginner's guide to cross posting your products on multiple marketplaces.
Sell on Multiple Platforms
Step-by-step guide to managing listings across eBay, Poshmark, Mercari, and more.
Best Cross Listing Tools 2025
Compare the top crossposting tools for features, pricing, and ease of use.
Poshmark vs eBay vs Mercari
Find out which marketplace is best for your products — or why you should sell on all three.
Cross Listing App
Learn how SellTheFlip automates cross listing with AI and saves you hours every week.
All Blog Posts
Browse our complete library of reselling tips, marketplace guides, and cross listing strategies.
Start Cross Listing Today
Join thousands of resellers who list faster, sell more, and save hours every week.
10 free marketplace postings, then $8/month or $80/year. Cancel anytime.