Guides

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• How the calculator decides — the seven rules, including when a total is a lower bound rather than a price, and why no box size is ever estimated.
• Sources and check dates — what each kind of claim is based on, and what this site decides rather than cites.

All guides

• 2026-10-05When a meal kit intro offer is smaller than its delivery feeAn intro discount that looks large can be wiped out by one delivery fee. Here is the arithmetic to run on the checkout number, using shipping terms each provider published.

Guides are added over time. Each one states which provider page it draws on and when it was checked; a figure in a guide can go out of date, so the sources page is the one to check before relying on a specific number.