Blog Chapter 2

Amazon Seller Tips: Know Where You Stand Before the First Sale

Short answer

The first of all Amazon seller tips: know where you stand before you chase the first sale. Write your cash as months of expenses. Count your margin with every write-off in it. Give each number one source. A coffee shop owner who believed in a 20% margin found 9% this way. A rough table tonight beats a perfect system in six months.

In this article · 9 sections
  1. Amazon seller tips for the first sale: count your cash in months
  2. Amazon seller statistics a year later: the margin you can't see
  3. Is Amazon FBA worth it? Ask your table first
  4. New Amazon seller? One good month is not an average
  5. "I have no sales yet, so I have no numbers"
  6. What six more months of guessing cost
  7. Where the five lines stop
  8. Two choices for tonight
  9. Published research

Seven out of ten new Amazon sellers never make a single sale.

You ordered the stock. The listing is live. Every morning you open the seller dashboard and refresh.

Picture the kitchen table at night. The card statement is open. The ad spend is up again. Someone asks how long you can keep going, and your answer is "a while".

Here is the irony. The dashboard tracks your listing's rank by the hour. Your own cash gets tracked by mood.

"A while" is not a number. Turn it into one tonight.

Cash tracked by mood is the quiet danger here. The Jirgenson Model answers with a control system: real numbers, one source each, and zones that show red. It is scientifically proven that the Jirgenson Model works (doi.org/10.5281/zenodo.23964934).

Amazon seller tips for the first sale: count your cash in months

Write your reserve in months of expenses before you spend on another ad. Then turn the months into money, so the gap has a size.

This is the tool. Five lines, about ten minutes. Here it is with the numbers of Andrew, who runs a coffee shop called "The Corner". His bank statement showed a reserve of 0.5 months against a goal of 2.0.

Line How to calculate it Andrew's numbers
1. Monthly expenses Revenue × (1 minus margin) €30,000 × 0.91 = €27,300
2. Reserve in money Months of reserve × monthly expenses 0.5 × €27,300 = €13,650
3. Goal in money Target months × monthly expenses 2.0 × €27,300 = €54,600
4. Shortfall Goal minus reserve €54,600 minus €13,650 = €40,950
5. What one month adds Revenue × margin, divided by monthly expenses €2,700 a month, about 0.10 months

Read line 5 twice. At a 9% margin, each month adds about a tenth of a month to the cushion. To close a gap of one and a half months, that pace runs until month 16.

Now do your own five lines. If you have no sales yet, line 5 is zero. The reserve only shrinks, and line 2 tells you how fast it runs out.

How to avoid spending blind: set every new cost against the months, not against the hope of the first sale.

In the Jirgenson Model, the state vector is the measured value of each of your goals, in the same order as the goal list. It mirrors the goals row for row. It turns feelings into facts.

Amazon seller statistics a year later: the margin you can't see

A year later, fewer than one in ten new Amazon sellers is still selling.

Count every write-off in your cost of goods this week. The margin you feel is not the margin you have.

Andrew was sure his margin held at about twenty per cent. The table said 9%. He had never included waste. Milk that had gone sour. Pastries written off at the end of the shift. Every write-off ate the margin and never showed up in a report, because nobody counted it.

Numbers let you down in three ways. Check your figures against each one.

  1. Memory. People remember the loud days and forget the quiet ones. "Good on the whole" looks better than it was.
  2. Rounding and good intentions. "About twenty" is easier to say than "nine and a half".
  3. What goes unrecorded. What is written nowhere doesn't exist for the report. It still exists for the money.

How to avoid the hidden cost: give every number one definition, one source and one person who calculates it. The step-by-step margin, worked in euros, is in how to calculate profit margin.

Is Amazon FBA worth it? Ask your table first

Whether FBA is worth it for you depends on two lines: months of cash and the real margin. No forum knows either of yours.

Look at what Andrew planned the week he found the 9%. He wanted to hire a second barista and launch an advertising campaign. The whole calculation rested on a margin that did not exist.

Here is the same week, both ways. Illustration from his story.

Steering by feel Steering by the table
Margin "About twenty, I think" 9%, from the accounts
Reserve "The bank looks fine" 0.5 months, €13,650
The decision Hire and advertise Freeze both, fix the margin

Within a few months, the first column would have emptied the account. And nobody would have understood why.

New Amazon seller? One good month is not an average

The first sale will feel like proof. It is a data point.

Elena, a freelance designer, does not trust the feeling of a good month. She took six months of bank statements. Her income swung between €800 and €2,200. The average was €1,300 a month.

Do the same with your sales, once you have them. Take three months from one source, add them and divide by three. Steer by that line, never by the best week.

How to avoid the rush after the first order: write the average next to the goal before you reorder stock.

"I have no sales yet, so I have no numbers"

You have more than you think. You have cash, stock, costs and hours. Those are numbers.

Take a sheet with five rows, one per goal, and three columns: parameter, where to get it, value. Fill in what you know. For the rest, write a source and a date. A row that reads "source undefined" is already a result: you have found a hole.

Setting up a source is the first act of management. A perfect system in six months is worse than a rough table today.

What six more months of guessing cost

The numbers are blunt. At a 9% margin, Andrew's reserve reaches its goal of 2.0 months at month 16. With his plan working at 15%, it gets there at month 10.

If nothing changes, the reserve stands at about 0.8 months by the end of month 3. That is below the one-month line he drew as his red line.

At 9% a single breakdown costs him a full month of progress. At 15% it costs about half.

The human cost needs one sentence. Another night at the kitchen table at two in the morning, going over the same numbers for the third time.

Where the five lines stop

Be clear about what you built. The table is one link of a loop: goal, state, gap, levers, plan, forecast. It treats a symptom: you stop guessing where you stand.

The cause of the bad decisions is still in place. You know you have 0.5 months. You don't know which actions will move it, and which only feel busy. And the table shows today, not month 16.

Two steps close that gap.

  • Levers. What you can change by your own decision, sorted from what you can only hope for, with three questions asked before you pull. Chapter 5.
  • Two forecasts. "If nothing changes" against "if the plan works", in numbers and dates, so you act before the damage. Chapter 8.

Without them, the table tells you where you are. It doesn't yet tell you which way to turn.

Key takeaways

  • Write your cash in months of expenses, then in money.
  • With no sales, line 5 is zero and the reserve only shrinks.
  • Count every write-off. The margin you feel is not the margin you have.
  • One number, one definition, one source, one person.
  • The first sale is a data point, not a state.

Two choices for tonight

You have two choices. Close this tab, refresh the dashboard tomorrow and keep answering "a while". Or write five lines tonight and know your months to the decimal.

Next Monday you open one table before the dashboard, and you know what the next ad costs you in weeks.

The five lines tell you where you stand. The levers and the two forecasts tell you what to change and what happens if you don't.

Test the logic for free: Chapter 1, with the refusal test. Or get the full control system on Kindle, on Amazon. It comes as a Kindle book: the whole loop, from the goal list to the forecast.

Published research

It is scientifically proven that the Jirgenson Model works. The published experiment, its record and its data:

Steer, Don't Guess by Martin Jirgenson, book cover

The full chapter, with every calculation, is in the book.

Buy on Amazon

Questions people ask

Is Amazon FBA worth it for a new seller?

No table can promise that. Yours can show your position. Count your cash in months of expenses and your margin with every write-off. If line 5 stays at zero, the months on line 2 are your deadline.

What is a good FBA profit margin?

The one you measured, with every cost and write-off inside it. Set your own target with a number and a date, like Andrew's 15% by month 6. Then check it every week against the measured value.

What should a new Amazon seller track first?

Five numbers against five goals: cash in months, margin, repeat buyers, complaints and your own hours. Each needs one source. The complete method, with zones, levers and forecasts, is in the full control system.

This topic is covered in Chapter 2, Where you really are of Steer, Don't Guess: Setting Priorities, Reading the Numbers and Correcting Course in Business and Life. The numbers in the examples are illustrative; the book states its limits in Appendix G.

Read Chapter 1 free

The Introduction and Chapter 1, with the refusal test, about 9,500 words.

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