Free tools
The math we run on client accounts, free to use.
No email gate, no watered-down "lite" versions. These are the calculations our operators actually make before a buy, a bid, or a shipment — put on a page.
New — title rule
Listing Title Auditor (75 characters)
Paste a title: exact count against the 75-character limit, a 125-character Item Highlights check, the words past the cut, and the style flags that trigger an automated rewrite.
Open the toolNew — full unit economics
Amazon US FBA Profit Calculator
Build a complete per-unit P&L from 2026 US referral, fulfillment, surcharge, storage, and seller costs — then compare FBA with your own FBM assumptions.
Open the toolNew — Q4 risk
Low-Inventory-Level Fee Exposure Checker
Compute both historical days-of-supply metrics Amazon actually uses, see whether an ASIN is inside the fee, and stress the same position against peak velocity.
Open the toolNew — margin
FBA Size Tier & Dimensional Weight Checker
Enter packaged dimensions and weight — get the US size tier, dimensional weight, billable weight, and the exact inches or ounces standing between you and a cheaper tier.
Open the toolNew — deal season
Promotion Profit Calculator
Deal, coupon, Prime Day, BFCM — model the event before committing: promo price, 2026 deal fees, per-unit profit, ad room, and the max TACoS the promotion can carry.
Open the toolSeasonal — live now
Q4 2026 Inbound Countdown & Back-Planner
Live countdown to the Oct 21 / Oct 28 FBA cutoffs, plus a back-planner that turns your peak week into PO, ex-factory, and ship-by dates.
Open the toolEvergreen
TACoS & Break-even ACoS Calculator
Enter unit economics and last month's ad numbers — get TACoS, ACoS, break-even ACoS, and the margin you actually kept, with an operator's verdict.
Open the toolIn the workshop
- Returns processing fee exposure estimator
- Aged-inventory surcharge forecaster
One new tool ships whenever the journal's data makes one obvious —follow along.
Leave with a sharper next move.
We inspect the operating evidence with you, then write down the three priorities we would act on first.
- We review
- Listing, PPC, and market position
- You receive
- Three written priorities
Qualified requests receive a reply within one business day.