Blog · 30 September 2026 · 4 min read
What the biggest Amazon FBA sellers actually have in common (and it's not luck)
Short answer: the biggest Amazon sellers did not find a secret product. They picked one category, got the unit economics right, then repeated the same playbook. That is a skill a beginner can copy from day one.
The numbers are genuinely wild
Every time someone starts looking into Amazon FBA they end up down a rabbit hole of "top seller" lists. AnkerDirect is reportedly pulling in over $1.3 billion a year selling mobile chargers and phone accessories. Detroit Axle is doing over $1 billion in automotive parts, the kind of unglamorous, heavy, boring category most beginners would never even consider.
What nobody points out about these lists
Neither of these businesses got there by finding some secret trending product nobody else knew about. They picked one category, understood the margins down to the penny, and scaled the same playbook over and over. AnkerDirect did not diversify into fifty random product types to hit that number. They went deep on one thing and got the unit economics right before they scaled it.
The gap most beginners fall into
Beginners spend weeks hunting for a "winning" product without ever properly checking if the margin holds up once real fees are factored in. The businesses doing a billion a year are not smarter about finding products. They are relentless about the numbers before they commit.
- UK: referral fee, FBA fee, and VAT on Amazon's fees.
- Europe: the same fees, plus VAT rules that change by country.
- USA: referral and FBA fees, with sales tax collected by Amazon.
Different names, same rule everywhere: if the margin does not survive the real costs, the product is not a business. We break the full cost stack down in how to calculate Amazon FBA profit.
How to apply this to your first product
That is the whole reason the Profit Calculator exists inside The FBA Ladder. Before you spend a penny on stock, you run your actual numbers and get a straight answer on whether the margin holds up. You can try a free version on our homepage right now, no signup needed.
Frequently asked questions
- Who are the biggest Amazon FBA sellers?
- Public estimates put AnkerDirect (chargers and phone accessories) at over $1.3 billion a year and Detroit Axle (automotive parts) at over $1 billion. These figures are third-party estimates, not published by Amazon, but they show the scale a focused seller can reach.
- What do successful Amazon sellers do differently from beginners?
- They pick one category, understand the unit economics down to the penny, and repeat the same playbook. Beginners usually hunt for a 'winning' trending product without checking whether the margin survives Amazon's real fees.
- Do I need a unique product to succeed on Amazon FBA?
- No. Most large sellers win in ordinary, even boring, categories. What matters is a product with steady demand and a margin that holds up after referral fees, FBA fees, shipping, VAT or sales tax, and advertising.
- Is this advice the same for the UK, Europe and the USA?
- Yes. The fee names and tax rules differ (VAT in the UK and EU, sales tax in the US), but the principle is identical in every marketplace: prove the margin before you buy stock.