eBay vs Poshmark vs Mercari: Which Platform Should You Sell On?
Every reseller eventually asks this question. You've got inventory to move and limited time — where do you list it?
The honest answer is all of them. But if you're just starting out, or you want to understand where each platform shines, this breakdown will help you figure out which marketplaces deserve your attention first — and why limiting yourself to one is almost always a mistake.
eBay: The Original Marketplace
eBay is the heavyweight. Over 130 million active buyers worldwide, virtually every category imaginable, and the most sophisticated search and listing tools of any reselling platform.
Best for: Electronics, collectibles, trading cards, vintage items, auto parts, niche categories that don't have a dedicated platform. If it exists, someone is buying it on eBay.
Fee structure: Around 13.25% final value fee on most categories (this includes payment processing). There's a $0.30 per-order fee on top. Some categories like sneakers and trading cards have slightly different rates.
Shipping: Flexible. You can offer free shipping (factored into your price), calculated shipping based on buyer location, or flat-rate shipping. eBay's global shipping program lets you sell internationally without dealing with customs yourself.
Pros:
- Massive buyer pool — the largest of any reselling platform
- Auction format for rare or high-demand items can drive prices above market value
- "Best Offer" feature works well for negotiation-based sales
- Strong seller protections (when you follow the rules)
- Almost no category restrictions
Cons:
- High competition on common items
- Fee structure eats into margins more than some alternatives
- Algorithm favors sellers with established history — new sellers can struggle for visibility initially
- Returns can be frustrating if buyers abuse the system
Bottom line: If you're serious about reselling, eBay is non-negotiable. It's the platform with the most buyers and the broadest category coverage. The fees are worth the exposure.
Poshmark: The Fashion-First Platform
Poshmark started as a women's fashion marketplace and has expanded into men's, kids, home, and more. But fashion is still its core — and its community-driven approach makes it unique.
Best for: Clothing, shoes, handbags, jewelry, accessories. Particularly strong for women's fashion, designer brands, and athleisure. If you're flipping clothes, Poshmark should be in your rotation.
Fee structure: Simple but steep. Poshmark takes a flat 20% commission on sales over $15, and a flat $2.95 on sales under $15. No listing fees, no payment processing fees on top — just the flat cut.
Shipping: Poshmark provides a prepaid shipping label for every sale. The buyer pays $7.67 for standard shipping (up to 5 lbs). If your item is under 5 lbs, you don't touch shipping at all — just pack it up and drop it off.
Pros:
- Prepaid shipping labels make fulfillment dead simple
- Social features (sharing, parties, following) drive organic exposure
- Strong community of repeat buyers in fashion categories
- Authentication for luxury items builds buyer confidence
- Simple commission structure — no hidden fees
Cons:
- 20% commission is the highest of the major platforms
- Works best for clothing and fashion — not ideal for electronics or general goods
- Sharing is essentially required to stay visible — your listings get buried if you don't actively engage
- Offers are a core part of the culture — expect negotiations on almost every sale
Bottom line: Poshmark is essential for anyone selling clothing and accessories. The 20% fee stings, but the built-in audience and simple shipping make it worth it for fashion inventory. Just be prepared to spend time sharing your listings.
Mercari: The All-Rounder
Mercari positions itself as the marketplace for almost anything. It's simpler than eBay, less niche than Poshmark, and has a growing user base that skews toward deal-seekers.
Best for: General goods — clothing, electronics, toys, home goods, books, and anything that doesn't fit neatly into one category. Mercari is the garage sale of online marketplaces, and that's its strength.
Fee structure: 10% selling fee plus 2.9% + $0.50 payment processing. Total comes out to roughly 13% on most sales. More competitive than Poshmark, comparable to eBay.
Shipping: Multiple options. You can use Mercari's prepaid labels (various carriers and prices based on weight), ship on your own, or offer local pickup. Buyer-paid or seller-paid — your choice.
Pros:
- Lower fees than Poshmark
- Wide category acceptance — sell almost anything
- Simple, intuitive listing process
- Smart Pricing feature auto-drops your price over time
- Growing buyer base, especially for general merchandise
Cons:
- Smaller buyer pool than eBay
- Less brand recognition — some buyers still don't know about Mercari
- Rating system can be unforgiving — one bad experience has outsized impact
- Customer support can be slow on dispute resolution
Bottom line: Mercari is a solid secondary (or even primary) platform, especially for general merchandise. Lower fees than Poshmark, simpler listing than eBay, and a growing audience that's hungry for deals.
The Other Players Worth Mentioning
Depop — Best for Gen Z fashion, streetwear, vintage, and Y2K aesthetic. Very visually driven — your feed matters as much as your individual listings. 10% seller fee.
Grailed — The marketplace for menswear and high-end streetwear. Buyers here are knowledgeable and willing to pay premium for the right pieces. 9% commission plus PayPal fees.
StockX — Pure price-driven marketplace for sneakers, streetwear, electronics, and collectibles. You're bidding against other sellers — the lowest ask wins. Authentication on every item. Fees vary by seller level.
Facebook Marketplace — No selling fees for local pickup, which makes it unbeatable for large items, furniture, and anything that's expensive to ship. Also useful for quick, no-hassle sales.
So Which Platform Should You Use?
The answer depends on what you're selling — but it's almost never just one platform.
If your inventory is primarily clothing and fashion, your core platforms should be Poshmark, eBay, and Mercari. Add Depop or Grailed depending on your style and audience.
If you're selling electronics and general goods, eBay and Mercari are your foundation. Facebook Marketplace for local sales on bulky items.
If you're in sneakers and streetwear, eBay, StockX, and Grailed are where the money is. Depop for the younger crowd.
If you sell a mix of everything, start with eBay and Mercari as your base, then expand to category-specific platforms as your volume grows.
The Real Answer: Sell on All of Them
Here's the thing — the "which platform" debate is mostly a false choice. Each platform reaches a different audience. The sneakerhead on StockX isn't browsing Poshmark. The Poshmark buyer looking for a Coach bag isn't checking Mercari.
Every platform you skip is a pool of buyers you'll never reach. And the items sitting in your inventory aren't making you money — they're costing you money in storage space and tied-up capital.
The practical objection is always time. Listing on one platform is work. Listing on five is a second job. This is exactly why cross-listing tools exist — you create one listing and push it everywhere, with real-time inventory sync so you never oversell.
The resellers who are growing fastest aren't debating which platform is best. They're listing on all of them and letting the tools handle the logistics.
The Bottom Line
There's no single best marketplace for reselling. Each platform has strengths, fee structures, and audiences that make it better or worse for specific categories. The winning strategy is understanding where your inventory performs best, pricing accordingly per platform, and casting the widest possible net.
The question isn't which platform to sell on. It's how many you can manage efficiently. And with the right tools, the answer is all of them.
TrackNList connects to 10+ marketplaces so you can list once and sell everywhere. Start your free 14-day trial →