InventoryLab Review 2026 (now part of Threecolts)
Listing and accounting tool for Amazon FBA sellers. Combines product listing workflows with profitability tracking, making it essential for arbitrage and wholesale sellers.
Status, checked 13 October 2026: now part of Threecolts, still sold
inventorylab.com now redirects to threecolts.com, where InventoryLab is listed as a Threecolts product. The product is still sold, but plans and pricing may have changed since the review below was written. Check current pricing with Threecolts.
Comparable tools we also review: SellerBoard, AccelerList.
All tools whose status changed: Amazon seller tools that shut down, merged or changed owner.
BagEngine Score: 8.1/10
Based on feature depth, pricing fairness, UI quality, customer support, and seller community feedback. InventoryLab is best for retail arbitrage and wholesale sellers who need to list products quickly while tracking per-unit profitability and cost of goods.
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InventoryLab Pricing (2026)
30-day free trial; 14-day trial on Seller 365 bundles. Prices checked 13 October 2026 on the vendor's pricing page.
The bundles are where Threecolts is putting its new work: as of October 2026 every Seller 365 plan includes Tactical Arbitrage, ScoutIQ, SmartRepricer, the FeedbackWhiz modules, Restocking Insights, lost-inbound insurance and an AI Operator with a monthly usage allowance, on top of InventoryLab itself. For an arbitrage seller already paying for a sourcing tool, Seller 365 Standard at the same $69/mo is the stronger buy.
Key Features
- Scoutify app for real-time sourcing decisions
- Batch listing with rapid product entry
- Per-unit profitability tracking with COGS
- QuickBooks integration for accounting
- Expense tracking and tax-ready reporting
Pros
- Best listing workflow for RA/wholesale sellers
- Scoutify sourcing app is best in class
- Clean profitability reports for tax season
Cons
- Not useful for private label sellers
- Only one standalone tier ($69/mo); the cheaper-per-feature options are the Threecolts Seller 365 bundles
- Interface showing its age
Best For
Retail arbitrage and wholesale sellers who need to list products quickly while tracking per-unit profitability and cost of goods.
Not Ideal For
Sellers who need a simple, low-cost solution or are just starting with fewer than 10 products. Also not ideal if you already use a full-suite platform that covers Operations functionality.
InventoryLab vs. Alternatives
| Tool | Category | Starting Price | Free Trial | BagEngine Score |
|---|---|---|---|---|
| InventoryLab | Operations | $69/mo | Yes, 30-day free trial available. | 8.1/10 |
| SellerBoard | Analytics | $19/mo | 1-month free trial, no credit card required. | 8.3/10 |
| AccelerList | Operations | $39.98/mo | 14-day free trial; billing details may be required. | 7.0/10 |
| ScanLister | Operations | $39/mo | 14-day free trial, no payment during trial. | 6.8/10 |
BagEngine Tools
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What a seller may claim, must disclose, and owes in tax is set by published federal rules rather than by any marketplace's seller handbook, and the sources below are the primary ones. They are linked so a reader can check a claim here without taking this page's word for it.
- FTC advertising and marketing guidance sets the federal standard for what a product claim must be able to substantiate.
- FTC Endorsement Guides governs how a review or recommendation must disclose a material connection.
- FTC Made in USA standard defines when origin claims may be used, one of the most commonly misapplied rules in ecommerce listings.
- SBA business guide is the federal reference for forming and running the business a seller account sits inside.
- SBA compliance guidance sets out the licences and filings an operating seller is expected to maintain.
- IRS small business and self-employed is the authority on what a seller owes and must report.
- IRS business structures documents how entity choice changes liability and tax treatment.
- USPTO trademarks governs brand registration, which decides who may enforce a listing takedown.
- Census retail trade data publishes the official retail and ecommerce sales figures market-size claims are checked against.
This page describes tools and the rules that apply to using them. A seller's own structure, state and marketplace agreements decide what applies to them.