You've seen the headlines. Resale is a $200B+ market growing several times faster than retail, and it feels like every brand you respect (the outdoor names, the denim names, the ones with a used rack by the register) is getting into it. So the question lands on your desk: should we add a used department too?

Here's the honest answer, and it's the one no resale platform will give you: maybe. The market being big doesn't mean it works in your store. Resale is a real, durable opportunity, and it's also a way to tie up floor space, labor, and cash in inventory that doesn't move. Which one you get depends entirely on your numbers, not the trend.

So before you carve out a corner and start buying back product, let's do the math the way an operator actually does it.

The only question that matters: does it pencil?

Adding used isn't a branding decision or a sustainability gesture, or it shouldn't be. It's a new business unit sharing your roof, your staff, and your cash. The real question isn't "is resale hot?" It's "does a used department earn its space in my store, at my margins, with my traffic?"

That question has a real answer. You just have to look at the right levers instead of the headline.

The levers that decide it

A used department lives or dies on five things. None of them are exotic. They're the same unit economics that govern the rest of your store, applied to a different kind of inventory.

  1. Margin per unit. Used goods often carry a higher gross margin than new. You're not paying wholesale, you're paying a fraction of resale value. That's the number that makes owners' eyes light up. But gross margin is the start of the story, not the end. Which brings us to the cost that hides.
  2. The labor to process it. This is the one that surprises people. Every used item has to be sourced, inspected, cleaned or repaired, priced, tagged, and merchandised, one at a time. New inventory arrives in a case pack, pre-priced, ready to shelf. Used inventory arrives as a pile of individual decisions. That handling cost is real, it's mostly labor, and it eats into that fat gross margin fast. If you don't account for it, your "high-margin" department is quietly a low-margin one.
  3. The space it takes. Every square foot you give to used is a square foot you took from something else. The right test is four-wall: what does that space earn as a used department versus what it earns today? If your used corner turns slower per square foot than the new product it replaced, the higher unit margin doesn't save you. You've traded productive space for a story.
  4. Where the inventory comes from, and at what cost. A used department only works if you can reliably feed it. Sourcing is the constraint most owners underestimate: too little supply and your racks look thin; too much of the wrong stuff and you're sitting on dead inventory you paid for. The cost and consistency of your supply changes the math more than almost anything else.
  5. Incremental or cannibalizing? The question underneath all of it: does the used department bring in sales you wouldn't otherwise have, or does it just move the same customer's dollar from a full-margin new item to a used one? A little cannibalization is fine. Often it's a customer who was never going to pay full price anyway. A lot of it, and you've built an elaborate way to discount your own store.

Notice what all five have in common: they're your numbers. A platform selling you a resale program has no incentive to tell you the labor won't pencil or the space would earn more as new. You have every incentive to know before you commit.

The upside that doesn't show up on the first spreadsheet

If the section above sounds like a wall of caution, here's the other side, and it's why resale is worth taking seriously.

The unit-economics case is only half the picture. The bigger prize is usually traffic and retention. A used department gives customers a reason to come in more often: to browse what's new on the rack, to bring product back in, to check what landed this week. That rhythm of repeat visits is worth real money, and it rarely lives in the margin line where owners look for it. A customer who comes in monthly to browse used and buys new while they're there can be worth far more than the used sale itself.

Used drives repeat traffic, and repeat traffic drives everything.

That's the honest bull case. Not "used is high margin" (it's complicated), but that repeat-traffic loop. Whether it shows up for you depends on your customer and your category, which is, again, a numbers question, not a vibes one.

The three ways to run it, and why the choice changes the math

"Adding used" isn't one decision. There are three common models, and each one rewrites the economics above:

  • Buy outright: you purchase used product and own it. Highest margin potential, highest risk; the inventory and the dead stock are yours.
  • Consignment: the customer keeps ownership until it sells; you take a cut. Lower margin, far lower risk, thinner cash needs.
  • Trade-in, or buy-sell-trade: you take product in for store credit, which pulls the customer straight back into buying new. Powerful for traffic, more moving parts to run.

Which one fits depends on your cash position, your category, your staff, and how much risk you want to hold. That's a real decision with a real framework behind it, more than this post can settle, but knowing the three models exist is the first step to running the numbers on each.

Where used departments actually fail

So you're clear-eyed going in, here are the common ways this goes wrong: underpricing the labor to process product; guessing at prices instead of pricing to a method; letting supply run ahead of demand until you're drowning in stuff nobody's buying; and giving used more space than it can earn. Every one of these is avoidable, and every one of them is a math problem you can solve before you commit, not after.

So, should you?

If you've read this far, you already know the answer isn't yes or no. It's: run your numbers first. Pull your margins, your space productivity, your traffic and repeat rate, and a realistic read on what you could source and what it'd cost to process. Then compare the used department against the best alternative use of that same space and cash. If it pencils, you'll see it. If it doesn't, you'll have saved yourself an expensive detour dressed up as a trend.

Funkhouser Strategy helps independent and mid-market retailers make the calls that move the P&L, resale included, with senior operator judgment and no vendor agenda.