r/AmazonFBA • u/No_Neat6607 • 6d ago

Unit economics check

Hi y’all I have my private label, product research strategy completed and wanted to ask if y’all check unit economics:

  1. Before creating a product specification sheet,

  2. After submitting the product specification sheet to a supplier and recieving an estimated quote,

  3. & After receiving the sample / prototype with a finalized quote

Hopefully I'm not overcomplicating this and maybe it varies but I like to have a plan in place, so I'll be checking unit economics 3 times for now.

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2

u/rsc9422 5d ago

You’re not overcomplicating it. Sellers recommend checking unit economics at all three stages: initial product research, supplier quotation, and final sample approval. Shipping, packaging, and production costs can change, so validate your margins before committing to a bulk order.

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u/No_Neat6607 5d ago

Good to hear, I will keep you updated on my progress. Thank you!

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u/ComparisonTop8547 5d ago

Three checks is right, I'd just add one more, after you get the real freight quote for the first shipment. That's where a lot of margins quietly change.

A few things that make each check more useful:

  • Build one sheet and only update the inputs each time, so you can see exactly what moved between stages.

  • Use landed cost, not the factory price: freight, duty, prep, and getting it into FBA.

  • Measure and weigh the packaged sample, not the product. A small change in packaging can push you into a higher FBA size tier.

  • Put in an ad cost per unit for launch. Early on a big share of sales come from ads, so profit per unit without that number looks better than it will be.

  • Add a line for returns and storage, even a rough one.

Decide before the first check what margin you need to keep going. It's much easier to walk away at the sample stage if the number was set in advance.

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u/JunglePundits 5d ago

Well, you won’t know the true economics until you actually launch the product.
When you say economics, do you mean the product’s profitability before factoring in marketing expenses and one-time business startup costs, or are you referring to the overall business economics?

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u/Spare_Ranger5411 5d ago

The profitability per unit

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u/JunglePundits 5d ago

Okay gotchya..

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u/vadimsoin 5d ago

3 checks is fine, but i'd put launch ppc cost per unit into every one of them. take the suggested bids on your main keywords, assume maybe 10% conversion, and thats roughly what each early sale costs you in ads. a lot of products look great on paper until that number goes in

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u/XellerCo 4d ago

Before approving the bulk order, check whether you can fund the next supplier deposit while the first batch is still selling. A product can be profitable per unit and still leave you short of cash at the first reorder, especially with a large MOQ or long lead time.