Amazon FBA Business Insights & Guides

Insights and guides for Amazon FBA sellers looking to understand their business value

Complete Guide

Amazon FBA Business Valuation

How to value your business, what drives multiples, and how to increase what buyers will pay. The complete guide based on our database of real valuations.

Free Tools for Amazon Sellers

SDE Calculator Calculate your Seller's Discretionary Earnings (SDE) with our free tool. Walk through add-backs and get an estimated valuation range for your Amazon FBA business. Landed Cost Calculator Calculate the true landed cost per unit for your Amazon FBA products. Includes duty, shipping, prep fees, and FBA fees to find your real margin. PPC Profitability Calculator Calculate your Amazon PPC profitability with ACoS, TACoS, ROAS, and break-even ACoS. See if your ad spend is generating real profit. Break-Even Calculator Find out exactly how many units you need to sell to break even on your Amazon FBA product. Accounts for fixed costs, variable costs, and Amazon fees. Dim Weight Calculator Calculate dimensional weight for your Amazon FBA shipments. Compare actual vs. billable weight for domestic and international shipping. Reorder Point Calculator Calculate when to reorder inventory for your Amazon FBA products. Includes safety stock calculations with configurable service levels. Inventory ROI Calculator Calculate your inventory return on investment with GMROI, annualized ROI, and inventory turns. Optimize your Amazon FBA capital allocation. Storage Fee Calculator Estimate Amazon FBA long-term storage fees based on inventory age, volume, and unit count. Plan removals before costly aged inventory surcharges hit. Working Capital Calculator Calculate your cash conversion cycle and working capital needs for your Amazon FBA business. Plan inventory purchases around your cash flow. Coupon ROI Calculator Calculate the true ROI of your Amazon coupons and promotions. Includes Amazon coupon fees and incremental unit analysis. Price Sensitivity Modeler Model how price changes affect your Amazon sales volume and profit. Find the optimal price point using price elasticity analysis.

All Guides

Business Valuations

How to Calculate TACoS for Amazon PPC

You can calculate TACoS for Amazon PPC in one line: TACoS = Ad Spend / Total Sales x 100 If you spent $8,000 on ads and generated $80,000 in total sales, your...

The FBA Guys March 16, 2026
Business Valuations

How to Calculate Amazon FBA Profit Margin Without Fooling Yourself

If you want the short answer, calculate Amazon FBA profit margin by taking revenue, subtracting your costs, dividing what is left by revenue, and turning that...

The FBA Guys March 13, 2026
Buying an Amazon Business

Amazon FBA Business Risks: What Buyers Need to Verify Before Investing

Buyers obsess over supplier relationships and product count. Deals die because of messy books. Here's what our database shows actually matters.

The FBA Guys February 22, 2026
Selling & Exit Planning

Common Mistakes Amazon Sellers Make When Selling Their Business

Most Amazon sellers who decide to sell make the same handful of mistakes. Not exotic ones, but predictable, pattern-matching mistakes that brokers see every week. The gap between what sellers list for and what they actually get tells the story.

Mark Daoust February 21, 2026
Buying an Amazon Business

What to Watch Out for When Buying an Amazon Business

When buying an Amazon business, watch the books first, the seller account second, and transferability third, because those are the places where buyers get surprised.

Bryan O'Neil May 9, 2023
FBA Financial Literacy

Accrual or Cash Accounting When Selling Your Amazon Business?

If your Amazon business carries inventory and you expect a buyer to judge the business from a clean snapshot, accrual accounting is usually the better choice.

Bryan O'Neil April 25, 2023
Buying an Amazon Business

17 Things Buyers Look For in an Amazon FBA Business

We’ve talked a lot about valuation metrics that determine the value of your FBA business when the time comes to sel...

Bryan O'Neil May 18, 2020
Selling & Exit Planning

What NOT To Do Before Selling Your (Amazon) Business

A lot has been written on tips and things to do before selling your business. By myself and multiple other M&A professionals. Clean up your books, scribble down your SOPs, find the right broker and so...

Bryan O'Neil February 7, 2020
Selling & Exit Planning

What Makes a Valuable Amazon FBA Business – The 4 Pillars of a Valuation

There are hundreds of metrics that are in play when it comes to business valuations. But all of them belong to one of 4 distinct categories, making up the 4 Pillars of Business Valuation, a concep...

Bryan O'Neil December 9, 2019
Selling & Exit Planning

8 Tips for Selling Your Amazon FBA Business

Selling a business is often compared to selling a house. Many people believe it’s mostly the market that drives the prices up and down, and little to nothing can be done to increase the value of a b...

Bryan O'Neil June 12, 2019
Selling & Exit Planning

The 27 FBA Business Metrics that Actually Matter

It’s 4am on the west coast. You get a phone call … “Please hold for Mr Bezos”.

Justin Gilchrist May 9, 2019
FBA Financial Literacy

How to Calculate Amazon Gross Margin Without Fooling Yourself

Amazon gross margin is usually calculated as revenue minus cost of goods sold, divided by revenue. The hard part is deciding what belongs in the number.

Bryan O'Neil February 7, 2019
Selling & Exit Planning

How Can an Online Business Valuation Tool Be Accurate?

You’ve probably heard some people claim that no online platform can ever accurately value a business. Heck, I’ve said it myself (and ...

Bryan O'Neil February 7, 2019
Selling & Exit Planning

4 Ways to Immediately Raise the Value of Your Amazon FBA Business

If you’ve given selling your FBA business any thought, you probably know that most of the value of an online business comes from how much money it makes.

Bryan O'Neil February 7, 2019
FBA Financial Literacy

The Most Important Metric to Understand: SDE

Seller’s Discretionary Earnings, Discretionary Cashflow, Seller’s Discretionary Income – call it what you will, this is the most important figure when it comes to the valuation and sale of a...

Bryan O'Neil February 7, 2019
Selling & Exit Planning

Why 68% of Amazon Businesses are Undervalued

What if I told you that there’s a 68% chance I can show you how to significantly increase the value of your Amazon business virtually overnight?

Bryan O'Neil February 7, 2019
Selling & Exit Planning

FBA Business Metrics that Actually Matter – The Infographic Version

Wondering what metrics buyers are looking at when buying a business? This nifty little infographic lists all the points you should look out for when preparing for a sale.

Bryan O'Neil February 3, 2019