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In short

Your costs and goals live in one place. The Vault, the Chrome extension, the phone’s Profit calculator and AlphaChaser all use them, so one product shows the same profit everywhere. When you buy it, SourceDock follows it from Purchases to Sales and Capital Recovery by itself. Say the demo store’s blue hair dye costs $6.91. With the demo store’s goals (30% ROI and $5.00 profit), every screen says the same thing: $4.51 profit, 65.3% ROI, and pay at most $6.42.
Settings, Used by the Vault and the extension: Used in Vault, Extension, AlphaChaser. Prep per item $0.00, Inbound shipping per lb $0.00, FBM shipping cost not set, Sales tax on cost 0, Lowest ROI you want 30, Lowest profit you want $5.00.

The settings every profit uses. Notice Used in: Vault, Extension and AlphaChaser.

To see where each setting lives, read Where each setting lives.
Scenario for this page: two demo store products. The Arctic Fox blue hair dye (B07QMZ5JKX) is in the Vault with a $6.91 cost; it shows the money math. The DOS card game (B076MMCQWW) was bought, 40 at Costco for $400.00; it shows what happens after you buy. Find both in the demo store.

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More details

You set them once, in Account > Features, or in the extension’s Account tab. Both are the same settings, so a change in one shows in the other.They hold what you pay to get a product to Amazon (prep, shipping, tax), and your goals: the lowest ROI and the lowest profit you want. The goals decide Max cost, the most you can pay and still meet them.
The hair dye sits in the Vault with its $6.91 cost. Its profit and ROI use your settings.
A Vault row for the ARCTIC FOX hair color, B07QMZ5JKX, with a B grade badge, 6 offers, 300+ a month, and a cost of $6.91.

The hair dye's Vault row. Notice the Cost, $6.91, and its B grade.

Open the hair dye’s page on Amazon. The extension’s Profit tab reads the same $6.91 from your Vault and shows the same numbers.
Quick info for the hair dye in the extension: Approved, Sales rank #34,389, Sold a month 300+, Max cost $6.42, Your cost 6.91, Sale price 19.86, Profit $4.51, Margin 22.7%, ROI 65.3%, Break-even $14.55.

The hair dye in the extension. Notice Profit $4.51, ROI 65.3% and Max cost $6.42.

Look the hair dye up in the phone app’s Profit calculator. Your cost already says 6.91, from your Vault. Every number matches the extension, Sold a month too.
Quick info for the hair dye in the Profit calculator: Approved, Sales rank #34,389, Sold a month 300+, Max cost $6.42, Your cost 6.91, Sale price 19.86, Profit $4.51, Margin 22.7%, ROI 65.3%, Break-even $14.55.

The hair dye in the Profit calculator. Notice Your cost 6.91, the same Profit, $4.51, and Sold a month 300+.

AlphaChaser grades your Vault products with the same costs and sale price. The hair dye gets a B.
The AlphaChaser section, Beta: grade B, Good buy, If you had bought 3 of these 60 days ago, they would have made about $16.32 (from its Keepa sales and prices), and Open in AlphaChaser.

The hair dye's AlphaChaser grade in the extension. Notice B, Good buy.

Now the DOS card game. You buy 40 at Costco for $400.00 and record the purchase. Purchases follows it until it reaches Amazon.
A purchase row: Sep 14, 2026, 40 units, Sent to FBA, the DOS card game B076MMCQWW, $400.00 at $10.00 a unit.

The DOS card game in Purchases. Notice 40 units, Sent to FBA, and $400.00, which is $10.00 a unit.

Each sale shows on the Sales page on the day the buyer orders it, with Amazon’s fees and your profit.
The Sales product table for Month to date: the DOS card game, 29 units sold, 0 refunds, $725.00 sales, $188.50 net profit, 61.9% ROI, 26.0% margin, COGS -$304.50.

The DOS card game in Sales, this month. Notice 29 sold, $725.00 in sales and $188.50 net profit.

Capital Recovery shows how much of the $400.00 came back. 36 of the 40 sold, $578.70 came back, so the buy made +$178.70. With 4 left, it has a Reorder tag.
The DOS card game's row: Reorder tag, Costco #7522204501, 36/40 sold, Sent to Amazon 40, Invested $400.00, Recovered $578.70, P&L +$178.70, ROI 61%.

The DOS card game in Capital Recovery. Notice 36/40 sold, $578.70 back, and the Reorder tag.

Why do Sales and Capital Recovery show different numbers? See Capital Recovery vs Sales.