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Terms of Service

Between you and Complete Filtration Services, Inc. ("we"), the operator of Fourshelf. Last updated 14 September 2026.

1. The service

Fourshelf shows a seller their own marketplace data and, when the seller chooses, applies changes to the seller's own listings. You must have the right to connect every account you connect. You remain responsible for your listings, prices, inventory and compliance with each marketplace's rules.

2. Your account

Keep your sign-in private. You are responsible for activity under it. One account is for one company.

3. Data

Your data stays yours. We process it as described in the Privacy Notice. You can export or delete it at any time.

4. Marketplace changes

Any write to a marketplace is shown to you as a preview first and applied only when you confirm it. Marketplaces process changes asynchronously and may reject or alter them; we report the outcome we can read back but cannot guarantee a marketplace's result.

5. Estimates

Profit figures combine data from your marketplaces with costs and rates you provide. Where a marketplace has not yet posted a fee, refund or advertising charge, the figure is an estimate and is labelled as such. Fourshelf is not accounting or tax advice.

6. Fees

Early access is free. Paid plans, when introduced, are billed monthly in advance and can be cancelled at any time, effective at the end of the billing month. We will give at least 30 days' notice before charging for a previously free account.

7. Availability and liability

We aim for the service to be available at all times but do not guarantee it. To the extent the law allows, our total liability for any claim is limited to the fees you paid in the twelve months before the claim, and we are not liable for indirect losses such as lost sales.

8. Ending the agreement

You can close your account at any time. We can suspend an account that breaks these terms or a marketplace's rules, with notice where practical.

9. Law

These terms are governed by the laws of North Carolina, USA.

Contact

Complete Filtration Services, Inc. · 2690 Gatlin St, Simpson, NC 27879 · hello@fourshelf.com