CartCairnStart seller setup

A planned service for U.S. online sellers

Compliance,without the guesswork

CartCairn is being built to help small sellers track tax and regulatory thresholds, prepare relevant policy and filing checklists, and see what needs attention next.

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A clearer path through the rules

From channel sales to a clear next step.

The service is designed to connect sales activity with the obligations that may follow, then explain the next step in plain English.

A conceptual view of the monthly compliance path

  1. 01Before

    Sales arrive in separate places.

    A seller may need to check state thresholds, product requirements, and policies across several channels.

  2. 02The tracking idea

    Relevant obligations come into view.

    CartCairn is planned to track sales against applicable thresholds and gather the resulting tasks into checklists.

  3. 03After

    A monthly report points to what is next.

    The intended report shows what appears covered, what needs attention, and where a human reviewer can help with an edge case.

Planned capabilities

Compliance work, shaped for a small shop.

The product is being built around recurring questions sellers often have to untangle on their own.

Thresholds worth watching

Track sales against relevant U.S. state tax and regulatory thresholds across online channels.

Policies and filing checklists

Prepare the policies and filing tasks that apply, with a clear list of what to review.

A monthly plain-English report

See what looks covered, what needs attention, and the next practical step.

A human for the edge cases

Bring tricky situations to a reviewer when a checklist alone is not enough.

One straightforward subscription

Ongoing guidance, at a planned $149 per month.

Create an account first, then continue to the hosted $149/month checkout. Seller access begins only after the payment is verified.

Seller subscription

$149 / month

Designed to bring threshold tracking, policy and filing checklists, a monthly report, and human help for edge cases into one ongoing service.

  • For small U.S. sellers across online channels
  • Monthly view of coverage and items to address
  • Sales data intake planned for CSV first
Create seller account

Billing setup must be ready before live checkout can open. A free account can be created now.

In development

Want to talk through your selling setup?

Send a note about the channels you use and the compliance questions you want CartCairn to help make clearer.

Email CartCairn cartgyrene@polsia.app