The Amazon product validation checklist

How to use this

The sections are ordered by cost. Section 1 takes two minutes and eliminates most candidates. Section 5 costs money and weeks. Do not reorder them — most expensive validation mistakes are simply this list run backwards.

A hard fail means stop. A soft fail means proceed only with a specific reason, written down, that you would still accept a month from now.

Section 1 — Structural (2 minutes)

• Category is ungated for a new seller account. Hard fail if approval is required and you do not have it.
• No protected IP on the design, brand or mechanism. Hard fail.
• Not hazmat, battery-powered, ingestible or skin-contact. Soft fail — possible, but wrong for a first product.
• Not a children's product requiring safety certification. Soft fail for the same reason.
• Fits within standard-size fulfilment tiers. Soft fail if oversize; fees scale badly and compound every other cost.
• Under roughly two kilograms shipped. Soft fail above that.
• Not fragile enough to break in transit. Soft fail — breakage becomes returns, returns become early negative reviews.
• Demand is not concentrated into a few weeks a year. Soft fail on extreme seasonality; your first year becomes one bet with no recovery window.

Section 2 — Competitive (30 minutes, or 1 with a tool)

Incognito window, correct marketplace, Sponsored placements excluded, top 20 organic listings only.

• At least three of the twenty listings are ones you could visibly out-execute within your real budget. Hard fail below three. This single check outperforms every difficulty score.
• Review counts are not uniformly deep across the page. Hard fail if every listing has thousands.
• The review distribution has a soft middle. Two giants and eighteen small players is workable; twenty evenly-matched competitors is not.
• A meaningful share of sellers read as generic rather than as established brands. Soft fail if the page is all brands.
• Price spread is wide enough to position within. Soft fail on a tight cluster at the floor — that market competes on price and you would be entering last.
• Best Seller or Amazon's Choice badges sit on beatable listings. A badge on a mediocre listing is an opportunity; on a strong one it is a warning.
• Page ratings are not uniformly excellent. Ratings around 4.0-4.2 signal unmet needs; 4.6+ across twenty listings signals a well-served market.
• Top three listings are not all the same brand. Soft fail — one brand holding the top usually owns the demand.
• Amazon itself is not selling in the top positions. Soft fail.
• You have read the three-star reviews on the top two listings and can name the recurring complaint. Hard fail if you cannot — you do not understand the market yet.

Section 3 — Financial (10 minutes)

Use the median price of the page. Not the top listing, not what you hope to charge.

• Referral and fulfilment fees calculated in Amazon's own FBA revenue calculator, with realistic dimensions and weight. Hard fail if you have estimated rather than calculated.
• Landed unit cost includes freight, duties and inspection, not just the factory quote. Hard fail if you are using the quote alone.
• A real PPC allowance is in the model. Hard fail if you have assumed organic traffic — a new listing is invisible without advertising.
• Margin survives at the median price. Hard fail if it only works at the top of the page's price range.
• Margin survives a ten percent price drop. Soft fail — someone will discount and you need to be able to sit through it.
• Return rate for the category is accounted for. Soft fail in fit- or expectation-sensitive categories.
• Minimum order quantity is affordable and survivable if the product fails. Hard fail if a wrong call ends the business.
• Storage costs considered if the product is slow-moving or bulky. Soft fail.

Section 4 — Historical (5 minutes)

• The price you built the model on is a normal price, not a promotion. Hard fail — this error invalidates section 3 entirely.
• Demand is not a seasonal spike you happen to be looking at. Hard fail if the whole year lands in six weeks and you did not plan for it.
• Category rank is stable or rising, not in decline. Soft fail on a clear downtrend.
• Amazon has not repeatedly been a seller on the leading listings. Soft fail — a recurring first-party presence changes the risk materially.
• No sign of a recent compliance or policy change pushing sellers out. Soft fail — investigate any page that looks unaccountably open.

Section 5 — Supplier and product (weeks, and money)

• Samples ordered from at least two suppliers. Hard fail on one — you are evaluating the supplier as much as the product.
• The incumbent's product ordered and compared side by side. The cheapest competitive research available.
• The specific weakness named in the three-star reviews inspected on your sample. Hard fail if your version has the same flaw.
• Supplier responsive, and able to answer specification questions precisely. Soft fail on vagueness — it predicts everything that follows.
• Packaging and unit cost confirmed at your actual order quantity, not at their headline quantity.
• Lead time understood, including production and freight. Soft fail if it does not fit your cash cycle.
• Competitive read re-run before committing to inventory. Hard fail if skipped — weeks have passed and new entrants appear.

Reading the result

That last row is not a joke. The most common way this checklist fails is not misuse — it is generous scoring in section 2, where "I could probably do better than that listing" gets recorded as a beatable competitor. The standard is a visibly better listing you can actually produce with the budget you have, not one you can imagine.

If you would rather not judge section 2 yourself, SellRadar reads the top 20 organic listings and returns the assessment with each competitor's weaknesses flagged — three a month free, no card.

If you would rather have one number than a checklist, read what an opportunity score leaves out first.

Re-run section 2 before you commit

One addition that is not in the sections above because it happens later, and it is the cheapest check on this entire page.

Between passing this checklist and receiving inventory, months pass — supplier negotiation, samples, production, freight. The competitive page you assessed at the start is not necessarily the page you will be entering.

Re-run section 2 immediately before committing to the production order. It takes minutes, and it catches:

• New entrants who arrived while you were sourcing, particularly in a category that was recently featured somewhere.
• An incumbent who fixed the flaw your differentiator was built on, which removes your reason to exist.
• A price collapse that invalidates the margin math from section 3.
• A brand consolidating positions, which changes a workable page into a defended one.

If the page has materially changed, that is not a reason to abandon the product automatically — but it is a reason to re-run section 3 with the new numbers before signing anything. Sellers who skip this discover the change after the container arrives, which is the most expensive moment to learn it.

Frequently asked questions