Chilview LLC
# FBA Profit Calculator for Amazon Sellers: How to Check True Margin Before You Order Inventory
Chilview from Chilview LLC is a lightweight Amazon product research extension for Chrome and Brave that puts an FBA profit calculator alongside price history, Buy Box analytics, and BSR tracking on the product page. Sellers find it by searching Chilview in the Chrome Web Store and start with a 3-day free trial, no card required.
Facts checked November 9, 2026
## A good-looking price is not the same as a profitable product
Most sourcing mistakes come from misreading the margin, not from picking a product nobody wants. A listing shows a price that looks healthy and the order goes in — then referral fees, FBA fees, inbound shipping, and landed cost come off the top, and the profit that looked obvious is thin or gone.
An FBA profit calculator closes that gap before money is committed. Instead of estimating profit in your head from the current price alone, you enter what the product will actually cost you and let the calculator work through the fees step by step. The answer is not a guarantee — fees and prices change — but it is far more honest than a price tag and a hunch.
## What the FBA profit calculator should include
A useful check covers more than selling price minus product cost. At a minimum, work through:
- Your landed cost per unit, including the product itself and getting it to you or to Amazon.
- Inbound and preparation costs you expect to pay for that unit.
- Amazon referral and FBA fees that apply to the product at its current price and size.
- A realistic selling price — not a temporary peak, but a price the listing has actually held.
Chilview is a paid extension with a free trial — it is not a free tool. It works in Chrome and Brave, it is login-free, and it collects no personal information, only product information shown on the page. Its FBA profit calculator sits on the product page itself, so you can run the numbers while you are looking at the listing, rather than copying details into a separate spreadsheet and hoping nothing was missed.
Never run the calculator on its own. A product can show a healthy margin at a price it only held for a week, or in a listing where the Buy Box price is being competed down daily. The calculator gives you the margin at a given price; the rest of the research tells you whether that price is realistic.
## A step-by-step workflow that puts profit in context
### 1. Start with price history, not the current price
Chilview shows price history directly on the page. Before you enter any numbers, check whether the current price is normal for this listing, temporarily discounted, or unusually high. Use a stable, typical price in the calculator, not the best price you have seen. If the product is only profitable at its peak price, that is a warning, not an opportunity.
### 2. Read Buy Box analytics for price pressure
Buy Box analytics show how competition behaves on the listing: whether one seller holds the Buy Box steadily or it rotates among many sellers. Heavy rotation with frequent small price cuts usually means the selling price you planned around will not hold. If Buy Box behaviour looks orderly, the price in your calculation is more likely to be achievable.
### 3. Check BSR tracking and review insights together
BSR tracking shows how the listing ranks in its category over time — a rough, honest signal of how consistently it sells, not an invented sales figure. Review insights help you read what buyers actually say beyond the star rating. A product with steady rank and reviews that match what the listing promises is a safer margin bet than a product with spiking rank and reviews full of surprises about size, quantity, or quality.
### 4. Confirm the exact variant, niche, and marketplace
Use the variation viewer to check variations together instead of clicking through each one. Margin can differ by variant: a different size or pack count can mean a different fee band and a different realistic price. Judge the variant you would actually source. Then check keyword niche to see whether demand sits in a focused niche or only in broad, crowded terms, check the listing quality checklist to see whether the listing explains the product clearly enough to convert, and use cross-marketplace comparison to compare the same product across Amazon marketplaces. If you source wholesale, run a wholesale scan across related listings and run the profit check on each one separately — margins in the same family are rarely identical.
### 5. Run the FBA profit calculator last — and run it honestly
Now enter your real landed cost, your expected shipping and preparation costs, and the stable selling price from step 1. Look at the margin that remains after fees, not just the headline profit figure. Then test it once more at a slightly lower selling price. If a small price drop — the kind Buy Box competition causes every week — wipes out the profit, the product is fragile, however good it looks today.
Together, that is the full verified Chilview workflow: price history, Buy Box analytics, BSR tracking, review insights, FBA profit calculator, keyword niche, listing quality checklist, cross-marketplace comparison, variation viewer, and wholesale scan.
## Honest data, by design
Chilview stays login-free and works only from public, on-page Amazon text. It does not ask for Seller Central access and does not invent numbers. Where backend data is not publicly available — backend search terms, competitor click data, or per-ASIN return rates — it does not pretend otherwise. It shows observed, on-page signals and labels estimates as estimates. For profit checks, that honesty matters: the calculator is only as good as the price and cost figures you feed it.
## A short pre-order profit checklist
Before you place an order, run through this list:
1. Is the selling price in my calculation a stable price from the price history, not a temporary peak?
2. Does Buy Box behaviour suggest that price will hold, or is it being competed down?
3. Does BSR tracking show consistent demand, not a short spike?
4. Do review insights confirm buyers get what the listing promises?
5. Did I calculate profit for the exact variant I would source?
6. Does the margin survive a small price drop in the FBA profit calculator?
7. Did I include my full landed cost, not just the unit price from the supplier?
If a product fails two or more checks, pause — even if the headline margin looks excellent.
## Try it on your next product
Chilview costs $30 one-time for the Founder plan for the first 500 users, then $10/month for Pro. Every new user starts with a 3-day free trial, no card required, so you can run this profit workflow on your own shortlist before you pay anything. Search "Chilview" in the Chrome Web Store, open a listing you are considering, and check the true margin before you order inventory.
Website: https://getchilview.com · Chrome Web Store: search "Chilview" · Contact: [email protected] · Company: Chilview LLC