Where to Find Inventory: 7 Proven Sourcing Methods for Resellers

Every reselling business runs on inventory. No inventory, no sales. It sounds obvious, but the number one reason resellers plateau isn't bad pricing or poor listings. It's inconsistent sourcing. They run out of things to sell, scramble to find more, and their income drops during the gap.

The resellers who build consistent income have multiple sourcing channels feeding their business. They don't rely on one method. They rotate between several, depending on the season, their capital, and what categories are selling well.

Here are seven proven sourcing methods, from zero-capital beginner strategies to higher-investment approaches for established sellers.

Method 1: Thrift Stores

Thrift stores are where most resellers start, and many never stop. Goodwill, Salvation Army, Savers, local church thrifts, and independent secondhand shops are gold mines if you know what to look for.

What to look for: Brand-name clothing (Nike, Polo Ralph Lauren, Levi's, North Face, Patagonia), vintage pieces with retro graphics or designs, quality denim, leather goods, and anything that feels higher quality than its surroundings. In non-clothing sections, look for electronics, video games, collectibles, and home goods with recognizable brands.

How to maximize your trips:

• Go on restock days. Most thrift stores put out new inventory on specific days. Ask the staff or figure out the pattern by visiting at different times.
• Touch the fabric. Higher-quality items feel different on the rack. Cashmere, silk, and premium cotton stand out even before you see the label.
• Check sold comps before buying. If you're unsure about an item, quickly search eBay sold listings on your phone. Thirty seconds of research prevents a bad buy.
• Build relationships with staff. Regular customers sometimes get tips about new arrivals or access to items before they hit the floor.

Realistic expectations: You'll sift through a lot of items to find winners. A typical thrift trip might yield 5-10 sellable items out of hundreds you look at. Average cost per item: $3-8. Average selling price: $20-60. That's solid margin if you're selective.

Method 2: Garage Sales and Estate Sales

Garage sales and estate sales are different animals. Garage sales are casual, prices are negotiable, and you can find incredible deals because sellers just want stuff gone. Estate sales are more organized, often run by professionals, and tend to have higher-quality items at slightly higher prices.

Garage sales: Go early on Saturday mornings. Bring cash in small bills for easy negotiation. Look for brand-name items priced low because the seller doesn't know the resale value. Offer to buy in bulk at a discount ("I'll take all of these for $20"). The end of the sale is also a sweet spot since sellers will accept almost any offer to avoid hauling stuff back inside.

Estate sales: Check EstateSales.net or local Facebook groups for upcoming sales. Preview photos are often posted ahead of time so you can plan what you're going after. Estate sales are better for vintage items, collectibles, furniture, and higher-end goods. Prices are usually firm on day one but drop 25-50% on the last day.

Realistic expectations: Garage sales are hit or miss. You might strike gold or waste a morning. Estate sales are more reliable for quality finds but at higher price points. Both are best treated as supplementary sourcing rather than your primary channel.

Method 3: Liquidation Pallets and Returns

Liquidation is buying bulk lots of returned, overstock, or shelf-pulled merchandise from major retailers. Companies like Bulq, DirectLiquidation, and B-Stock run online auctions and direct sales for pallets of goods.

How it works: You bid on or purchase a pallet (or a smaller lot) of items from a specific retailer or category. The manifest lists what's included, though the condition of each item varies. Some items are brand new, some are customer returns with opened packaging, and some may be damaged or incomplete.

The upside: You can get a large volume of inventory at a fraction of retail price. A pallet with a retail value of $2,000 might cost you $400-600. If 60% of the items are sellable, you're looking at strong margins.

The downside: It's a gamble. Not every item will be sellable. Some will be damaged, missing parts, or not worth the time to list. You need space to receive and sort pallets, and you need enough capital to absorb the loss on unsellable items.

Tips for beginners: Start with a smaller lot, not a full pallet, to test the waters. Stick to categories you know (clothing, shoes, electronics) so you can assess value quickly. Read the manifest carefully and calculate your worst-case scenario before bidding.

Stop juggling 6 tabs. Manage everything in one dashboard.

TracknList syncs your inventory, listings, and sales across 10+ marketplaces — so you can spend less time managing and more time selling.

Start Your Free 14-Day Trial →

Method 4: Retail Arbitrage

Retail arbitrage means buying clearance or discounted items from retail stores and reselling them at full market value online. Target clearance racks, Walmart rollbacks, TJ Maxx, Marshalls, Ross, and outlet stores are all fair game.

How to do it: Use a scanning app on your phone to check the resale value of items while you're in the store. The eBay app has a barcode scanner. Look for items marked down 50% or more from retail, then check what they're selling for online. The gap between the clearance price and the market price is your profit.

Best categories: Toys (especially around holidays), brand-name clothing on deep clearance, electronics accessories, beauty products, and seasonal items bought at end-of-season markdowns.

Realistic expectations: Retail arbitrage requires time driving to stores and scanning items. Your hit rate depends on how good the clearance deals are in your area. It's a great way to build inventory with relatively low risk since you're buying at known prices from established retailers.

Method 5: Wholesale Accounts

Wholesale means buying directly from brands or distributors at volume discounts. This is a step up in investment and commitment, but it provides consistent inventory with known quality and predictable margins.

How to start: You'll need a business license (LLC or similar) and a resale certificate to open wholesale accounts. Attend trade shows (MAGIC, ASD Market Week) to meet brands and distributors in person. Some brands have online wholesale portals where you can apply directly.

The upside: Consistent supply of brand-new inventory at predictable prices. No hunting, no gambles on condition. You know exactly what you're getting and what your margins will be before you order.

The downside: Higher minimum orders (often $500-5,000+), more capital tied up in inventory, and you need to move volume to make the numbers work. Not ideal for beginners who are still figuring out what sells.

Best for: Resellers who have identified their best-selling categories and want to scale with consistent inventory rather than relying on one-off sourcing trips.

Method 6: Online Sourcing

You don't have to leave your house to source inventory. Online platforms offer sourcing opportunities that can be just as profitable as in-person methods.

Facebook Marketplace and local groups: People sell items below market value all the time on Facebook. Set up alerts for keywords in your categories and check regularly. You can negotiate and pick up locally, keeping shipping costs at zero.

eBay auctions: Yes, you can source on the same platform you sell on. Auctions that end at bad times (2 AM on a Wednesday) often go for well below market value. Search for misspelled listings too since "Nikey" shoes get fewer bids than "Nike" shoes.

Online thrift stores: ThredUp, Poshmark (as a buyer), and Goodwill's online auction site (shopgoodwill.com) let you source from your couch. Shipping adds cost, so factor that into your profit calculations.

Closeout websites: Sites like Bstock.com and 888lots.com offer discounted inventory in bulk. Similar to liquidation pallets but with the convenience of shopping from home.

Method 7: Networking and Buyouts

Some of the best sourcing deals come through personal connections. Other resellers, store owners, estate cleanout companies, and even friends and family can become regular sources of inventory.

Other resellers: Resellers who are leaving the business or changing categories often sell their remaining inventory in bulk at deep discounts. Join reseller communities on Facebook, Reddit, and Discord to hear about these opportunities.

Closet cleanouts: Let your network know you buy used clothing and goods. Friends, family, and coworkers will think of you when they're cleaning out their closets. Offer a fair price per item or a flat rate per bag of clothing.

Small store closings: Local boutiques and small businesses that are closing down often need to liquidate inventory quickly. Offer to buy remaining stock at a steep discount. This can be a major score for the right categories.

Consignment arrangements: Some people have items to sell but don't want to deal with the listing and shipping process. Offer to sell their items for a percentage of the sale. You get inventory with zero upfront cost; they get a sale they wouldn't have made on their own.

Building a Sourcing Routine

The key to consistent inventory is a consistent sourcing schedule. Here's what a solid routine looks like:

Weekly: 1-2 thrift store trips, check Facebook Marketplace daily, scan online auction endings.

Monthly: Hit garage sales and estate sales (seasonal), check liquidation sites for deals, attend any local markets or swap meets.

Quarterly: Evaluate which sourcing channels produce the best ROI. Double down on what's working, cut what isn't. Consider adding wholesale if your volume supports it.

Track your sourcing results. For each trip or purchase, note what you spent, what you found, and eventually what it sold for. Over time, this data tells you exactly where your time and money are best spent.

The Bottom Line

There's no single best place to find inventory. The strongest reselling businesses pull from multiple sourcing channels, adjusting based on what's available, what's in season, and where the best margins are. Start with the low-cost methods (thrifting and garage sales), add online sourcing as you build product knowledge, and scale into liquidation or wholesale when you have the capital and the systems to handle volume.

The common thread across every method: know your market, check your comps, and only buy what you can sell at a profit. Discipline in sourcing is what separates growing businesses from closets full of dead inventory.

TrackNList helps you manage inventory from every sourcing channel in one dashboard, with profit tracking across 10+ marketplaces. Start your free 14-day trial →