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Strategies, case studies, and product updates from the Profasee team.

Operator notes by email

Short, opinionated takes on AI agents, Amazon PPC, pricing, and inventory. No fluff. About once a week.

All"AI Operating System""Amazon Inventory""Amazon Operations""Amazon PPC""Amazon Profit""Amazon Strategy"AI Operating SystemAmazon PPCAmazon PricingAmazon StrategyIndustry and Trends
A Mission Control screen showing three review loops (daily, weekly, monthly), a pending-approvals queue, and an activity timeline, with one operator at the center
"Amazon Operations"

Amazon Operations: The Mission Control Playbook for Running a Brand on a Cadence

Running an Amazon brand is not 200 daily decisions. It is one cadence. Here is the Mission Control operator playbook: what to check daily, weekly, and monthly.

ChadChad Rubin · Jun 2, 2026
A per-ASIN profit table styled like a CFO dashboard, with columns for revenue, contribution margin per unit, TACoS, and profit, sorted by contribution
"Amazon Profit"

The 8-Figure Operator's P&L: Reading Your Amazon Business Like a CFO

The Seller Central dashboard shows sessions and sales. A CFO reads contribution margin, TACoS, and per-ASIN profit. Here is how to read your Amazon P&L like an operator.

ChadChad Rubin · Jun 1, 2026
A price line crossing a break-even threshold, with the loss zone shaded red below and the contribution zone shaded green above, plus break-even ACoS marked
"Amazon Profit"

Break-Even Analysis for Amazon Sellers: The Floor Under Every Decision

Break-even is the floor under every pricing, PPC, and promo decision. Most sellers cannot name theirs. Here is the operator math, with worked examples.

ChadChad Rubin · May 31, 2026
A waterfall chart starting at sale price and stepping down through referral fee, FBA fee, COGS, storage, returns, and ad cost to the final contribution margin
"Amazon Profit"

The True Cost of an Amazon Sale: Every Fee, Deduction, and Hidden Cost

The listing price is not the money you keep. Here is every fee, deduction, and hidden cost between an Amazon sale and the contribution margin that survives.

ChadChad Rubin · May 30, 2026
Two line charts side by side: campaign ACoS flat and healthy, while TACoS climbs, with organic sales share shrinking underneath
"Amazon Profit"

TACoS Explained: What Total ACoS Reveals That Campaign ACoS Hides

Campaign ACoS looks fine while the business bleeds. TACoS tells the truth about whether your ad spend builds organic rank or just rents sales. Here is how to read it.

ChadChad Rubin · May 29, 2026
A per-unit margin breakdown bar showing sale price at the top and each deduction subtracted in sequence down to the contribution margin that remains
"Amazon Profit"

Contribution Margin Per Unit: The Only Amazon Metric That Tells the Truth

Contribution margin per unit is the one Amazon number that separates the products that fund your business from the ones that drain it. Here is the operator math.

ChadChad Rubin · May 28, 2026
A waterfall chart breaking a single Amazon sale price down through every deduction (referral fee, FBA fee, COGS, ad cost, returns) to the contribution margin that survives
"Amazon Profit"

Amazon Unit Economics: The Operator Playbook for Real Profit in 2026

Revenue is vanity. Contribution margin per unit is truth. Here is the operator playbook for Amazon unit economics: every fee, every lever, the real P&L.

ChadChad Rubin · May 27, 2026
Three stacked panels showing Thermometer (a gauge), Thermostat (an if/then circuit), and Agent (a decision tree with multiple weighted inputs), labeled by capability level
"AI Operating System"

Thermometer, Thermostat, Agent: The Three Levels of Amazon Software in 2026

Most Amazon software is a thermometer or a thermostat. Agentic AI is neither. Here is the three-level framework that explains why old-stack tools fail.

ChadChad Rubin · May 26, 2026
A 7-panel audit dashboard with each trigger labeled (suppressions, browse nodes, variation theme, image policy, bullet limits, flat-file conflicts, mobile rendering), one panel flashing red
"Amazon Strategy"

Amazon Catalog Hygiene: The 7 Listing Audit Triggers That Matter

Catalog hygiene is silent revenue. Here are the 7 audit triggers every Amazon operator should run quarterly to catch suppressions, broken variations, and stale data.

ChadChad Rubin · May 25, 2026