Found a fee figure that looks wrong, or a calculation that does not follow the Methodology page? Tell us — corrections are how this site stays trustworthy.
Email: hello@sharpfee.com — please include the platform, country, fee name, and the official source page you checked, so the correction can be verified and added to the Fee Index with its date.
Note: the hello@sharpfee.com mailbox is being set up as part of launch. If an email bounces during launch week, please try again after that week, or use the Amazon waitlist form on the calculator page, which uses the same address. No other contact channel is offered at launch, and no contact form on this site stores messages by itself.
Never send passwords, seller-account credentials, payment details, or private order data. Fee corrections need only the public fee figure and its official source — nothing from inside your seller account.