Let’s be real for a second. Most people think learning how to sell used underwear online is some kind of "get rich quick" scheme where you post a photo of a pair of Hanes and wait for the thousands to roll in. It isn't. Not even close. If you’re here because you saw a TikTok of someone claiming they bought a Tesla in three weeks just by mailing off their laundry, you’ve been sold a bit of a fantasy.
It’s a business. A weird, highly specific, and often labor-intensive business.
You aren't just selling fabric. You’re selling an experience, a persona, and, quite frankly, a scent profile. It sounds clinical when you put it that way, but if you don't understand that the "used" part is the actual product, you won’t make a dime. People are looking for a connection to a real human being. They want authenticity. If you try to fake it with a sterile, corporate-feeling profile, the community—and it is a very tight-knit community—will sniff you out immediately. Pun intended.
The platforms that actually pay (and the ones that'll ban you)
You can't just hop on eBay or Poshmark. Try it, and your account will be nuked within hours. These mainstream sites have strict "no used undergarments" policies for hygiene reasons, though you can sometimes get away with "new without tags." But that’s not what we’re doing here. You need the specialized marketplaces where the buyers live.
PantyDeal is arguably the dinosaur in the room. It’s been around forever, and while the interface looks like it’s stuck in 2008, it has the highest traffic. It works on a credit-based system or a monthly subscription rather than taking a massive cut of your individual sales. Then there’s Sofia Gray. It’s sleeker and feels a bit more modern, focusing heavily on seller protection. If you’re tech-savvy and want more control, All Things Worn is a massive contender with a very active forum culture.
Don't ignore OnlyFans or Fansly either. While these are primarily content-based platforms, many creators use them as a storefront. You build the fan base with photos or videos, and then the physical "merchandise" is an add-on. It’s a funnel.
Pricing your "inventory" and why $20 is a mistake
How much is a pair of worn briefs worth? Most beginners think, "Well, I bought them for $5 at Target, so $20 seems like a 300% profit."
Wrong.
You’re charging for the time spent wearing them. Standard industry practice usually starts at $40 to $60 for a basic "48-hour wear." If you’re going to spend two days making sure a specific item is properly seasoned—for lack of a better word—your time has value. If a buyer asks for "extras," the price needs to skyrocket.
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- Gym sessions: Add $15.
- Specific activities (cycling, yoga): Add $20.
- Photo of you wearing them: $10 per photo.
- Video of the "packaging" process: $25.
If you underprice yourself, you attract "time-wasters." These are guys who want to chat for three hours, ask for "verification" photos, and then never buy. High prices act as a filter. They ensure that the people hitting your inbox are serious collectors. Honestly, the biggest mistake is being too cheap. You aren't a discount bin. You're a niche provider.
The safety talk: Don't ignore this
Safety isn't just a suggestion; it’s the difference between a side hustle and a nightmare. Never, ever use your real name. Ever. Use a "work name" or a persona.
When you’re learning how to sell used underwear online, your biggest enemy isn't the taxman—though you should definitely report this income—it’s the digital footprint. Use a dedicated email address that isn't linked to your Facebook or LinkedIn. Use a VPN. If you’re taking photos, check your "metadata" or EXIF data. Every iPhone photo has the GPS coordinates of where it was taken baked into the file. Use a metadata scrubber or take a screenshot of your photo and sell the screenshot to strip that info.
Shipping is the next hurdle.
Never use your home address as the return address. Get a PO Box or use a "re-shipping" service. Some sellers use a fake return address from a local grocery store or a non-existent business. Also, vacuum sealing is your best friend. It keeps the "product" fresh for the buyer and ensures that the mail carrier doesn't get a face full of your scent when they're tossing the package into a van. It’s about being a professional.
Building a "brand" in a sea of lace
Why should someone buy from you instead of the 10,000 other girls on Sofia Gray?
It’s about the narrative. You don't need to be a supermodel. In fact, "girl next door" or "athletic" or "curvy" niches often perform better than the high-fashion look. Buyers like to feel like they’re getting something from a real person they might pass on the street.
Consistency is king. If you post once and disappear for a month, you’re dead in the water. You need to be active in the forums. Talk to people. You don't have to be provocative 24/7, but you do have to be present. Mention your day. "Just finished a 5-mile run in these, they're heading to the shop tonight." That’s a sales pitch without being a sales pitch.
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The logistics of the "Wear"
This is where it gets a bit technical. Most buyers want a specific duration of wear. 24 hours is the baseline, but 48 to 72 hours is the "gold standard."
Wait.
How do you keep them "fresh" if you aren't mailing them the second you take them off? Mylar bags. They are scent-proof and moisture-proof. If you finish a wear on a Sunday but can't get to the post office until Tuesday, that Mylar bag is the only thing standing between a happy customer and a "it just smells like laundry detergent" complaint. Avoid Ziploc bags; they breathe more than you think.
Also, avoid perfumes or scented lotions while you’re "working." Buyers want you, not Victoria’s Secret Bombshell. If you’re a smoker or live with pets, you need to disclose that. Some people love it; others will demand a refund. Transparency prevents chargebacks.
Managing the "Coomers" and time-wasters
You will get "trolls." You will get people who want to talk about their trauma or people who want to "dominate" you for free in the DMs. You have to be cold.
If they haven't tipped or bought a "chat credit," you don't owe them a reply. It sounds harsh, but this is a business transaction. If you spent ten minutes responding to every "hey" in your inbox, you’d be working for about $0.04 an hour. Set boundaries early. Put your "Menu" in your bio so you don't have to repeat yourself.
- Price list clearly visible.
- Payment methods (Crypto, Thorne, and certain gift cards are safer than PayPal, which hates this industry).
- Turnaround time (e.g., "Ships within 3 days of wear completion").
What nobody tells you about the taxes
Yes, Uncle Sam wants his cut. If you make over a certain threshold on these platforms, you’ll likely get a 1099 form. Even if you don't, you are legally required to report the income as a sole proprietorship. Keep track of your expenses! The underwear you buy for work, the postage, the PO Box fees, the Mylar bags—these are all tax-deductible business expenses.
Don't be the person who gets hit with a $5,000 tax bill at the end of the year because you treated your earnings like "free money." Put 20-30% aside in a separate savings account the moment a sale clears.
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Actionable steps to get started today
If you're ready to actually do this, stop overthinking and follow this sequence.
First, set up your digital fortress. Create a ProtonMail account. It’s encrypted and doesn't require a phone number in many cases. Use this for everything. Next, pick your name. Make it catchy but not too "porn-y"—something like LaceyHikes or CurvyClaire.
Second, buy your supplies. Get a 50-pack of Mylar bags and a small vacuum sealer from Amazon. Grab some bubble mailers that don't look suspicious. Standard 6x9 manila envelopes work fine.
Third, pick one platform. Don't try to be on five sites at once. You'll get overwhelmed. Pick PantyDeal or Sofia Gray and spend a week just looking at the top sellers. What are they wearing? How are they describing their items? What’s their "vibe"?
Fourth, post your first three listings. You need "inventory" for your store to look legitimate. Wear three different styles—cotton briefs, lace thongs, spandex shorts—for 24 hours each. Take high-quality, well-lit photos (natural light is best) but keep your face out of them if you want to remain anonymous.
Finally, be patient. Your first sale might take two weeks. It might take two hours. But once you get that first 5-star review, the "social proof" makes every future sale ten times easier. This isn't just about how to sell used underwear online; it's about building a micro-brand that people trust.
Consistency is the only thing that separates the people making $50 a month from the ones making $5,000.
Keep your head down, keep your Mylar bags sealed, and don't take the DMs personally. It's just business.