Most wholesale sellers spend hours calling distributors, requesting catalogs, and running numbers on product after product — only to find that 95% of what they see either doesn't sell well on Amazon or doesn't leave enough margin after fees.
That's the traditional approach. And it's exhausting.
Reverse sourcing flips the whole thing. Instead of starting with a supplier and hoping they carry something profitable, you start with a product that's already selling well on Amazon — then work backwards to find who distributes it.
Why This Works Better
Traditional sourcing asks: "What can I get from this supplier?"
Reverse sourcing asks: "What's already selling? Now who can sell it to me?"
The difference is massive. You're no longer guessing about demand — you're looking at real Amazon sales data, real competitor prices, real review velocity. Then you hunt for the supply side that makes the numbers work.
Reverse sourcing separates product research from supplier research — and does product research first. You only contact a supplier when you already know the product sells.
The 4-Step Reverse Sourcing Process
Step 1: Find a Winning Product on Amazon
Look for listings that meet all of these:
- BSR under 50,000 in a main category (consistently — not a spike)
- 3+ sellers currently sharing the Buy Box or listing
- Brand is not Amazon private label or Amazon Exclusive
- Sales price between $15–$80 (sweet spot for wholesale margins after FBA fees)
- Not sold directly by the brand itself ("Ships from and sold by [Brand Name]" kills your margin potential)
Keepa is your best tool here. Pull 90-day sales history, check whether the BSR has been stable or spiking, and see how many sellers have been active on the listing. Stable BSR + multiple active sellers = healthy wholesale product.
Step 2: Identify the Brand
Once you have a product you like, note the brand name exactly as it appears on the listing. Then:
- Search "[Brand Name] authorized distributor" or "[Brand Name] wholesale account"
- Go to the brand's website — most have a "Where to Buy" or "Become a Retailer" page
- Check the listing's bullet points — brands often mention their distributor or their direct website
You're looking for one of two paths: buy direct from the brand (preferred for margins), or buy through an authorized distributor (easier to get approved, lower MOQ).
Step 3: Run the Numbers Before You Contact Anyone
Before you reach out, estimate whether the product can work at all. Here's the quick math:
- Find the current Buy Box price on Amazon
- Subtract Amazon referral fee (~15% for most categories)
- Subtract FBA fulfillment fee (use Amazon's fee calculator — search "Amazon FBA calculator")
- Subtract your estimated cost of goods (check Alibaba or Google for brand MSRP — wholesale typically runs 40–60% of retail)
- Target: at least 25–30% ROI after all costs. Below 20% and you're one fee change away from losing money.
If the current Buy Box price is already near Amazon's MSRP floor and has 5+ aggressive sellers, the margins are probably already compressed. Move on and find a healthier listing.
Step 4: Make Contact With a Real Pitch
When you contact the brand or distributor, don't just say "I'm interested in carrying your products." That's what everyone says.
Instead, lead with specifics:
- Name the product you're interested in (ASIN or product name)
- Mention your Amazon seller account (Professional account, positive feedback, category experience)
- Ask about their online reseller policy — some brands restrict Amazon sales entirely
- Ask about MAP (Minimum Advertised Price) policy — if they enforce MAP, that protects your margins
- Ask about MOQ and lead times
MAP enforcement is your friend. If a brand has a strict MAP policy, it means every Amazon seller is locked to the same floor price — no one can undercut you into oblivion. A product with enforced MAP is almost always worth pursuing over one without it.
Where Most Sellers Get Stuck
Two places kill reverse sourcing momentum:
1. The brand sells direct on Amazon. If you check Seller Central and the brand is "Fulfilled by Amazon" as the only seller, they're protecting that listing. You won't get approved to sell it, and if you did, they'll win the Buy Box every time. Skip it.
2. Too many third-party sellers already. If there are 15+ sellers on a listing all fighting for the Buy Box, margins are probably gone. The best wholesale products have 3–8 established sellers — enough competition to confirm demand, not so much that margins are crushed.
One Product That Works = A Catalog
Here's the real payoff: once a distributor or brand approves you, they send you their full catalog. Use the same reverse sourcing filter on every SKU in that catalog — you might find 3–5 more winners in the same account you just opened.
That's how wholesale scales. Not by cold-calling 100 distributors. By finding one product that works, opening the account, then mining the catalog.
Today's action: Pick one product on Amazon in a category you know. Run it through the 5-point check in Step 1. If it passes, find the brand's website and look for their wholesale or retailer page. You're 15 minutes away from knowing whether this is worth a real outreach email.
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