Guides for Amazon sellers. The numbers, explained.
One question per guide, answered first, with the formula and the next step.
What is ACOSWhat ACOS stands for, the formula, and what pushes it up or down.What is a good ACOSWhy a good ACOS depends on margin, and how to set your own target.ACOS vs TACOSWhat TACOS measures that ACOS cannot, and how to read the two together.The weekly Amazon PPC auditSix checks that find wasted spend and missed sales, in the order they pay.Amazon negative keywordsNegative exact vs phrase, when to negate, and how to find the terms.Amazon PPC match typesWhat each match type matches, the auto groups, and how to switch a keyword.Amazon seller fees, explainedEvery fee on an Amazon statement, what triggers it and how to lower it.Your Amazon profit marginThe three margins per product, and the costs sellers leave out.Search Query PerformanceHow to read your share of impressions, clicks, cart adds and purchases.Unit session percentageWhat unit session percentage measures, where to find it, what moves it.Seller Central reportsThe six Seller Central reports worth a weekly read, and what each answers.Amazon seller glossaryOne-line definitions of 40 Amazon seller terms and acronyms.What is Amazon PPCHow the ad auction works, what a click costs, and how to judge the result.An Amazon PPC strategyTargets by product stage, a campaign layout, and the weekly loop.Sponsored Products, Brands and DisplayThe three ad types side by side, and when each one earns its spend.Amazon Brand RegistryRequirements, enrollment steps, cost, and the tools it unlocks.Amazon Seller CentralThe menus, health targets and reports a seller uses every week.Amazon FBA storage feesMonthly storage, the Q4 rise, the aged surcharge, and how to lower them.What is a good CTR on AmazonHow CTR is calculated, what a good one is, and what moves it.Amazon fee changes in 2026Each 2026 US fee change, its date, and what it adds per unit.A Helium 10 alternativeWhat Helium 10 is built for, and when a weekly plan fits better.A Jungle Scout alternativeWhat Jungle Scout is built for, and when a weekly plan fits better.A sellerboard alternativeWhat sellerboard does well, and when a weekly plan fits better.
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