The Tariff Margin Firewall: $35K MRR Inside Etsy's New Rule

The Play

The play: Build a cross-channel landed-cost and margin firewall for non-U.S. Etsy and Shopify micro-sellers, not one more commoditized tariff calculator.

The Money

• 1,000 sellers at $35 a month is $35K MRR, with a path to $126K MRR at 3,000 accounts, plus expert-review and broker-referral revenue.

Five-question Margin Engine

A five-question margin engine for messy catalogs.

Five-Version MVP

• Calculator to margin alerts

Pricing

• Four-tier pricing plus paid expert review

Four Moats

• Memory
• Reconciliation
• Trust

The Trigger

Just Became Operational: Etsy began requiring sellers who ship to U.S. buyers to use Delivered Duty Paid shipping to qualify for Etsy Purchase Protection.

The Customer

• Bigger than a hobbyist and smaller than an enterprise
• 89% are businesses of one, 97% work from home, and more than half sell through more than one channel
• Sellers spend only about half their working time actually making or designing products; the rest goes to administration
• Custom and made-to-order items are roughly 30% of marketplace sales
• The best early accounts share a few traits: U.S. orders are a big enough slice of revenue that leaving would hurt, the catalog holds products whose classification isn't obvious, the seller operates on more than one channel, and the gross margin is fat enough to survive duties once prices are adjusted

The Obvious Wedge Is Already Closing

• A free U.S. tariff calculator is a fine acquisition tool. On its own, it isn't a company.
• Etsy and Shopify can drop that feature next to the product listing, and they control the interface, the order data, and the checkout.
• A standalone founder won't out-calculate a platform that can bundle the same widget for free.

The Product: A Tariff Margin Firewall

• The interface should feel like a financial control panel, not a customs encyclopedia.
• The seller connects a store or uploads a CSV, and the product returns a prioritized list of actions.

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