The Purchasing OS for Amazon Wholesale Resellers
Find the best price, negotiate with leverage, never lose a quote.
Upload vendor files → get Amazon matching, price comparison, margin calculation, and negotiation tracking in one searchable system.
Limited to 10 spots. Application required.
Common problems in wholesale
Sound familiar? You're not alone.
Your research is scattered
Vendor files and negotiation exports end up "in the back of the computer," and you can't reliably search across them.
Pricing is never one-vendor
The same product shows up across 2-3 vendors at different prices - and better pricing elsewhere is common.
Negotiation isn't optional
A big chunk of purchases only becomes profitable after negotiating. Without data, you're negotiating blind.
What Vendor Delta does
Vendor Delta is the purchasing OS for Amazon wholesale resellers.
Upload vendor files, map SKUs to Amazon listings, compare vendor pricing side-by-side, calculate true profitability (including pack logic), and generate quote-ready negotiation lists - without rebuilding the same spreadsheets every week.
- Auto-match vendor SKUs to Amazon ASINs
- Compare all vendors for the same product
- Calculate profit with pack-size adjustments
- Build negotiation lists with target prices
- Search everything - never lose research again
Core outcomes
What changes when your purchasing workflow actually works.
Better buys
Know where to buy, at what price, and why - based on consolidated vendor + Amazon data.
Faster negotiations
Build quote lists in minutes, with target prices and competitive leverage built in.
No lost work
Every file, note, decision, and quote stays searchable and reusable.
Key features
Every capability you need for smarter purchasing decisions.
Mapping
Auto-group duplicates and variations; handle multi-packs; manually link missing ASINs when needed.
Vendor compare
See every vendor's price and terms for the same product - plus history.
Profit engine
Accurate profit with pack-size adjustments and verification workflow.
Negotiation workflow
Filter "almost profitable" items, group by brand, export clean quote requests, store quote outcomes.
Replenishment
Upload Amazon replenishment signals and instantly see best vendor options + margin.
Workflow stages
Move products from research to quote to PO-ready. Nothing falls through the cracks.
How it works
From vendor file to purchase order in four steps.
Upload files
Import vendor price sheets (and optionally Amazon replenishment reports). Just drag and drop - we accept any Excel or CSV format your vendors use.
Connect the dots
Match vendor SKUs to ASINs, group duplicates/variations, and persist the mapping for future uploads. Once matched, it stays matched.
Decide & act
Compare vendors, calculate profit, send quotes, record results, and move items through workflow stages. Everything in one place.
Hand off
When you're PO-ready, export to your inventory system (e.g., Seller Cloud). Vendor Delta handles research to PO - your existing tools handle the rest.
Who it's for
Wholesale resellers with multiple vendors
If you constantly cross-reference files, tools, and vendor quotes to find margin, Vendor Delta is built for you.
Multi-vendor operations
Working with multiple vendors selling overlapping catalogs
Spreadsheet-heavy workflow
Currently managing research across Excel files and manual lookups
Negotiation-dependent margin
A significant portion of purchases require price negotiation to be profitable
Imagine having...
What your purchasing workflow could look like.
Confident
I know I'm getting the best price available
In Control
All my research is organized and searchable
Efficient
Hours of work reduced to minutes
Empowered
I negotiate with data, not guesswork
What you'll have
- A searchable database of every product and vendor price
- Side-by-side vendor comparison for any product
- Quote history that never gets lost
- Clear workflow from research to purchase order
- Room to grow from hundreds to hundreds of thousands of SKUs
- Time back for what actually matters
FAQ
Common questions answered.
Does this replace my inventory system (e.g. Seller Cloud)?
No - Vendor Delta focuses on research, purchasing decisions, and negotiation. Inventory/PO systems remain the system of record; Vendor Delta hands off when you're ready.
Can it handle multi-packs and messy listings?
Yes - multi-packs and variations are first-class, with both automatic grouping and manual controls.
Do you auto-approve purchases?
No - automation is for filtering, routing, and alerts. Final decisions stay human.
Addressing Your Concerns
What you might be thinking - and our response.
"It's going to be complicated to set up"
Upload your first vendor file and see results in 30 seconds. No complex setup. No training required. Start with one vendor file and add more when you're ready.
Just drag and drop your Excel files - we handle the matching.
"My data might not be accurate"
We show our math. You see the buy box price, the fees, the cost, the calculation. You can override any number. We track where every price came from so you know what you're working with.
Manual override option on any calculation. Full audit trail.
"I'll lose my existing workflow/data"
Keep your current tools. Vendor Delta sits alongside them - upload the same Excel files you're already creating. When you're ready, it can replace them. When you're not, it supplements them.
Import your historical Excel files to populate the database.
"It won't work with my vendors/products"
If you sell on Amazon using wholesale suppliers, Vendor Delta works for you. Any Excel/CSV vendor file. Any category. From batteries to beauty products - the workflow is the same.
Works with any vendor file format you currently use.
Why not just use...
Honest comparison with alternatives you might be considering.
You could use Excel / Google Sheets, but...
Files aren't linked - you can't search across them
Manual calculations for every product
No quote tracking or workflow
One person's files = lost knowledge when they leave
Everything in one searchable database. The same flexibility, but actually organized.
You could use AsinScope / Research Tools, but...
They don't track vendor pricing
No negotiation workflow
FBA fees "not always 100% accurate"
Can't save and organize your research
Everything research tools do, plus vendor pricing and workflow.
You could use Inventory Systems (Seller Cloud, etc.), but...
No pre-listing research capability
No quote tracking
No vendor price comparison
Built for inventory management, not purchasing decisions
We hand off to tools like Seller Cloud when you're ready. We handle everything before that: research, quotes, PO creation.
You could use Manual Research / Individual Process, but...
Three hours for one negotiation file
"Time is the most important resource"
Can't scale past current capacity
Opportunities lost in the backlog
Work smarter. Same decisions, fraction of the time.
Join the Founding Partner Program
We are looking for 10 high-volume sellers to shape our roadmap.
The Partner Deal
- Early Access: Use the Purchasing OS before competitors.
- 3 Months Free: Full Pro Plan access ($0 cost).
- White-Glove Onboarding: We migrate your first vendor files for you.
Applications close when 10 spots are filled.