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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.

Three concentric rings labeled pricing, PPC, and inventory with cross-system guardrail rules drawn as lines spanning all three rings, illustrating the trust layer
AI Operating System

Guardrails Across Pricing, PPC, and Inventory: The Trust Layer for AI on Amazon

Per-tool guardrails are not enough. Here are the cross-system rules that span pricing, PPC, and inventory and let AI agents run autonomously without breaking the business.

ChadChad Rubin · May 9, 2026
A diagram of a generic AI agent connected by a thin wire to Seller Central with five red warning labels (no shared state, no guardrails, no audit log, no specialization, no rollback)
AI Operating System

Why DIY AI Automation Is Risky for Amazon Sellers

Connecting GPT or Claude directly to Seller Central is fast and dangerous. Here is the honest risk profile of DIY AI automation and what safe AI looks like.

ChadChad Rubin · May 9, 2026
A triangle diagram showing pricing, PPC, and inventory at the three corners with bidirectional arrows between each pair, illustrating the coordination loops
Amazon Pricing

Pricing × PPC × Inventory: The Three-System Coordination Brief

Amazon brands run on three systems that constantly affect each other. Here is the operator brief for keeping pricing, PPC, and inventory in sync.

ChadChad Rubin · May 8, 2026
A control panel with seven freeze triggers labeled (promo, low inventory, new ASIN, listing change, non-FBA Buy Box loss, B2B price war, supply constraint) and one of them in red flashing FREEZE
Amazon Pricing

When Repricing Should NOT Move: The Buy Box, Promo, and Inventory Triggers

The most underrated Amazon pricing skill is knowing when to do nothing. Here are the freeze rules, by trigger, that protect margin from over-active repricers.

ChadChad Rubin · May 6, 2026
A side-by-side org chart comparison: a traditional Amazon brand with 8 boxes (PPC manager, pricing analyst, inventory planner, etc.) versus a lean operating-system brand with 3 boxes (owner, operations lead, creative)
AI Operating System

The No-Employee Amazon Business: How AI Agents Will Change eCommerce Operations

The no-employee Amazon business is no longer theoretical. Here is what AI agents replace, what humans still own, and what the new org chart looks like.

ChadChad Rubin · May 4, 2026
A demand curve over 12 months with Q4 spike highlighted, showing static floor as a flat line missing the upside while a velocity-aware band adapts to the curve
Amazon Pricing

Velocity-Aware Pricing: Why Static Floors Cost You Q4

Static repricing floors and ceilings cost Amazon sellers margin in Q4. Velocity-aware pricing adjusts the band based on demand, inventory, and seasonality.

ChadChad Rubin · May 4, 2026
A pricing range diagram showing floor and ceiling boundaries with COGS, FBA, returns, and overhead components stacked underneath the floor line
Amazon Pricing

Floor and Ceiling Math: How to Set Repricing Boundaries Without Eating Margin

Most Amazon sellers set repricing floor and ceiling wrong. Here is the operator math, with worked examples, that protects margin without crippling the repricer.

ChadChad Rubin · May 3, 2026
A five-rung ladder labeled with the trust stages (observe, recommend, approve, autonomous, autonomous with weekly review), with a person climbing each rung
AI Operating System

From Ask Me First to Handling It: The Right Way to Adopt AI Agents on Amazon

Most Amazon sellers fail at AI adoption by skipping straight to autonomous mode. Here is the five-stage trust ladder that protects your account.

ChadChad Rubin · May 2, 2026
Split-screen comparison showing a rule-based repricer (gear and lever icons) on the left and an AI repricer (neural network icon) on the right, each with their wins and failure modes labeled
Amazon Pricing

Rule-Based vs AI Repricing: Where Each Wins and Where Each Breaks

Rule-based and AI repricing both work, in different conditions. Here is a 2026 operator's breakdown of where each approach wins, breaks, and combines.

ChadChad Rubin · May 2, 2026