I don’t like paying full price for anything if I don’t have to. While I’ve already shared my secrets for how to get a discount on anything, today I’m giving you the ins and outs of online consignment sites. Shopping secondhand can save you a TON of money and still get you something amazing — but every platform works a little differently, and some are absolutely better than others depending on what you’re buying (or selling).
Below are the places I personally use, what I like them for, and the pros and cons of each. I’m also including my stats where I can get that information easily, including how many items I’ve sold and my total income from selling.
ThredUp
I’m going to start with my least favorite, but the most necessary. ThredUp is the last place I’ll sell, just because they don’t pay out well — but as a buyer, it can sometimes be worth a browse.
ThredUp as a buyer:
- Huge inventory that’s updated constantly
- Easy filtering by brand, size, color, and condition
- Items are inspected before listing, so quality is usually consistent
- Great for women’s clothing and kid basics
- Huge deals on pricier items (like $50 for a Christian Dior belt, and I recently found a pair of my favorite jeans for $12.99!!! when they cost $198 at Nordstrom) but fast fashion brands aren’t a great deal ($29 for an Old Navy sweater)
- Shipping can be slow
- Returns cost a fee unless you take store credit
ThredUp as a seller:
- Seller payouts are very low (if you’re thinking of selling here), like maybe $2-3 per item on an average sell order I sent in
- Great option if you just want to get stuff out of the house and make a little bit of money on it
- Some brands aren’t eligible for resale earnings unless they sell for over $20 (including Target, H&M, Old Navy, etc.) but you can feel good about giving second life to something
- Earnings are based on the selling price of an item (over $200 gives you 80%, but items selling under $20 give you 5-15% earnings)
- You have to pay to send in your items ($14.99 for a standard bag, $34.99 for a premium bag) unless you’re sending in items to donate (then it’s free). The amount is taken out of your sales.
- My stats: I’ve sold 36 items here for a total of just $136, but otherwise i would have just put this stuff in the donate pile. I just sent in a HUGE box of stuff (I’m talking 50-60 items including women’s and kid’s clothing to sell), so we’ll see how that one pays out. I’ll come back to update!

Poshmark
If I have something I can sell for more than $25, I’ll list it on one of the sites that takes fees: Poshmark or Mercari. Poshmark tends to have more fashion-forward listings — especially women’s clothing, bags, and shoes. The brands I have sold recently on here are ALO Yoga, Bombas, Rebecca Minkoff, and Quince.
Poshmark as a buyer:
- Huge fashion-focused marketplace
- You can make offers and negotiate
- Lots of new-with-tags items
- Most sellers ship quickly
- Some sellers don’t photograph items well
- All sales are final unless the item is misrepresented
- Prices can vary widely from seller to seller
- Shipping fee adds up on smaller purchases
Poshmark as a seller:
- You have to ship within 3 days of an order
- Buyer rates you before your sales total is released to you.
- Great to sell fashion items
- My stats: Sold 33 items for a total of $1,520 on here (all time) out of 55 listings posted. On average I have sold these items at a 52% discount off of the original price. Over the past year I sold 4 listings for a total of $103.
Mercari
Mercari is my go-to for baby gear and kid items, including clothing. It’s also where I’ll list or buy anything that’s more practical than trendy. Brands I have sold on here recently are Ray ban, DockATot, Little Sleepies, and Tonies. Items for mom & baby tend to do well on Mercari, in my experience.
Mercari as a buyer:
- Great for baby gear, toys, and kids’ clothing
- Typically similar prices to Poshmark
- Easy offer system
- Buyer protection if something arrives not as described
- Descriptions can be short or vague
- Return process only works if an item was misrepresented
- Shipping times vary, depending on the seller
Mercari as a seller:
- Easy offer system
- Easy to list items and they offer a way to deactivate/reactivate listings
- When you’re listing items the platform gives you an idea of what to list it for
- My stats: 25 items sold all-time (since 2019). This year I only sold one item for $38.
Facebook groups (BST groups)
If you’re a brand loyalist or want something very specific, Facebook groups can be a goldmine. This is where I’ve sold Little Sleepies pajamas (they have a cult following!) and where I’ve purchased Hanna Andersson or Boden pieces. Note: BST refers to “buy, sell, trade”
Facebook groups as a buyer:
- Perfect for brand-specific buys (especially kids’ brands)
- Often the best prices because there are no seller fees
- Easy to find multiples, bundles, or full outfit sets
- Friendly community vibe
- Quality depends entirely on individual sellers
- No buyer protection
- You have to trust the seller
- Items go fast in very competitive groups
Facebook groups as a seller:
- Occasionally you have to deal with someone trying to return things to you (normally not an issue but once in a while you’ll get someone who has buyer’s remorse and tries to blame you for it)
- Things don’t always sell, depending on when you post them
Facebook Marketplace
Facebook Marketplace can be hit or miss, but people definitely score amazing deals here. I’ve used it mostly to offload larger items like lighting or furniture (items that would be really difficult to ship). During our home renovation and new build, this is where I offloaded things that became non-returnable.
Facebook Marketplace as a buyer:
- Best for large, bulky, or heavy items
- Shipping on some items, but only if the seller offers it
- Tons of selection in most areas
- Great pricing if you’re willing to dig
- Listings can be cluttered or poorly described
- No buyer protection
Facebook Marketplace as a seller:
- You’re relying on people actually showing up
- You may need to meet strangers (safety considerations)
- You can offer shipping or local pickup only
Rent the Runway sales section
This feels like a hidden gem. Rent the Runway will sell their retired rental pieces, so you can snag designer clothing, bags, and accessories at a huge discount. I purchased a Rebecca Minkoff bag here for about 30% of retail.
Rent the Runway pros:
- Deep discounts on high-end and designer items
- Items are professionally cleaned
- Great for special-occasion dresses
- High-quality photography
Rent the Runway cons:
- Mostly trend-driven items, not everyday basics
- Inventory is limited and sizes go quickly
- Condition varies (some pieces were very loved)
Goodbuy Gear
I haven’t sold with Goodbuy Gear (no locations near me), but I’ve purchased from them and had a great experience. They specialize in kid gear and inspect everything.
Goodbuy Gear pros:
- Amazing for strollers, monitors, high chairs, etc.
- Items are inspected before listing
- Reliable quality and accurate descriptions
- Easy browsing by brand and age
Goodbuy Gear cons:
- Prices can be higher than peer-to-peer resale
- Selling is location-dependent
- Selection varies by region
REBEL (formerly Rebelstork)
Another great option for baby gear is REBEL, formerly known as Rebelstork. Again, I haven’t sold with them, but I’ve scored great deals as a buyer. They have a ton of open box items, so you’re basically getting brand new baby gear (and kitchen items, too!) for a big discount.
REBEL pros:
- Wide selection of baby gear and nursery items
- Many items are open-box or gently used
- Items are inspected and verified
- High-end baby brands show up often
- Returns/refunds are easy if you open your packages and inspect them right away (I had a backpack listed as brand new, which arrived with pen marks and a strong smell, and I was refunded right away for it.)
REBEL cons:
- Best deals can go FAST (like their flash deals in December when they had American Girl available!)
- Selling requires being in their service area or willing to ship items to their warehouse
- Prices can be closer to retail on premium brands
My most recent REBEL purchases were a tumbler and food storage containers for the house:

Shopping secondhand online is one of the easiest ways to save money without sacrificing quality or style.
Whether you’re hunting for kids’ clothes that they’ll only wear for a season, upgrading baby gear, or grabbing a designer bag at a fraction of retail, there’s a platform that fits every need.
I personally use a mix of these sites depending on what I’m buying or selling. Some are better for fashion, some are best for baby gear, and some are just great for scoring deals you’d never find in-store. Once you get the hang of each platform’s quirks, shopping secondhand becomes addicting — in the best, budget-friendly way.
My Top Picks for Online Consignment
Best for Kid Clothes & Baby Gear:
⭐ Mercari (selling and buying)
⭐ Goodbuy Gear (buying)
⭐ REBEL (buying)
Best for Women’s Fashion:
⭐ Poshmark (buying and selling)
⭐ Rent the Runway Resale (buying)
Best for Selling Fast:
⭐ Facebook Marketplace (big items or heavy items, stuff that’s hard to ship)
⭐ Poshmark + Mercari (small clothing items)
Best for Brand-Specific Shopping:
⭐ Facebook BST Groups (specific for brands like Hanna Andersson, Little Sleepies, Boden, etc.)
Best Hidden Gem:
⭐ Rent the Runway Sales Section
Comparison chart: Online consignment at a glance
| Platform | Best For | Price Range | Buyer Protection | Returns | Shipping | Notes |
|---|---|---|---|---|---|---|
| ThredUp | Women’s & kids’ clothing | $$ | Yes | Fee unless credit | Slow | Great variety but higher prices than you’d expect |
| Poshmark | Women’s fashion, shoes, bags | $$–$$$ | Yes | Final sale | Fast | Lots of NWT pieces |
| Mercari | Kids’ clothing + baby gear | $–$$ | Yes | Only for misrepresented items | Varies | Best for practical buys |
| FB Groups (BST) | Brand-specific kids’ clothes | $–$$ | No | No | N/A (shipping varies) | Best prices + community-based |
| FB Marketplace | Large items & local deals | $–$$ | No | No | Local pickup | Great for furniture, baby gear |
| RTR Sales | Designer clothing & bags | $$–$$$ | Yes | Final sale | Fast | Huge savings on high-end brands |
| Goodbuy Gear | Baby gear & equipment | $$ | Yes | Limited | Fast | Inspected items, reliable quality |
| REBEL | Baby gear & premium brands | $$–$$$ | Yes | Limited, mostly for misrepresented items | Fast | Great for open-box + gently used |




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