Turn your clutter into cash. 

By Katie Holdefehr
Updated January 29, 2019
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Since the launch of Marie Kondo's new Netflix show this month, it seems like everyone is joining in on the decluttering trend. It's so popular, in fact, that many thrift stores have seen a spike in donations this month as Kondo's dedicated followers ditch everything that didn't spark joy for them. If you're taking part in the KonMari method, you may now be wondering what to do with everything you no longer need. For donations, Goodwill, the Salvation Army, and your local thrift store are all great places to consider. If clothes are no longer in wearable condition, bring them to a local recycling center or an H&M store (yes, H&M accepts clothing donations in any condition, from any brand).

RELATED: Marie Kondo Folding Clothes Is the Most Zen Thing You'll Watch All Day

And what about the clothing in your closet that's still in pristine condition, can claim "new with tags" status, or is a designer piece you no longer wear? Of course you can always donate these items, but if you're looking to sell your clothes, it pays (pun intended) to know the right sites and apps. Below, we've rounded up the best places to sell your clothes, including those with the best returns and those our own editors swear by. This way, decluttering your closet will not only make getting dressed easier, but it will also put some extra cash in your wallet.

Letizia Le Fur/Getty Images

1

A Real Simple editor favorite, Poshmark is one of the easiest apps to use to sell your clothes online. Take a few photos of the garment on your phone, then upload them to the app and add a description and price. You'll want to monitor your listings, as users may ask for more details about the item or request additional photos. 

How it works: For sales under $15, Poshmark takes a $2.95 commission and you keep the rest. And for sales over $15, Poshmark takes 20 percent of the sale. 

2

If you have designer finds (with or without tags) that you want to sell, Tradesy is the go-to site. While the site doesn't restrict which labels can be sold on the site, it's most popular for high-end finds and designer handbags and shoes. Tradesy makes shipping easy by sending you a free, pre-addressed shipping kit, so you never have to take a trip to FexEx or UPS. Plus, they handle returns for you, too. 

How it works: Tradesy deducts $7.50 for every sale under $50 and 19.8 percent on sales over $50. 

3

The #1 online market place in Japan, Mercari is just beginning to get more popular in the U.S. Like other sites, you simply upload pictures of the item, along with a description and price. When you get a sale, the company will email you a printable shipping label. 

How it works: Mercari charges a flat 10 percent fee, no matter the price of the sale, so for more expensive items, this site can help you earn more on each piece. 

4

Rather than list the items yourself, thredUP takes care of the work for you. The company sends you a bag to fill up with clothing, shoes, accessories, and jewelry you want to sell. Leave the bag for your mail carrier or take it to any FedEx or USPS location. Similar to a virtual Beacon's Closet, thredUP goes through the bag (only accepting about 40 percent of most items), and then they'll list the garments for you, so you don't have to worry about taking photos, monitoring the listings, or dealing with buyers. 

How it works: You'll get a payout after your items sell, and you can edit the price of a listed item at any time. If you don't want to wait, you can also accept a lower payout within 7 days of your bag being processed. The returns won't be as great, but if you're looking for a low-effort solution that won't require posting your own photos, thredUP makes it easy. 

5

It's no surprise, but eBay is still one of the best sites for selling secondhand clothes online. The selection is huge and shoppers know they can find great deals on name brands, making it one of the most popular sites for those hunting for a specific item, brand, or designer. If you have an item you suspect will be popular, opt for eBay and let the bidding war begin. 

How it works: You can list up to 50 items a month for free, and eBay takes a 10-percent fee on the final sale.