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How It Works

* On Mobile use double-tap to edit cells

• Your costs flow from top to bottom.
• Update a base cost at the top; your entire menu recalculates instantly.
• Link ingredients to products using Usage (%).
• Green means profit, Red means you're losing money. Keep it green.
• Sharing: When you use the sharing feature, a copy of your sheet is stored in Cloudflare KV storage to enable access from other devices.

The data stays in the device you are using right now. If you open this webpage from a different device, you will start fresh, but you can come back to the current device anytime.

I'm looking for feedback since my next step is to handle most of the costing through a conversational AI agent. Bugs and tips for CostBoxes are obviously welcome too. Send feedback.

Built with open-source tools (MIT). See licenses here.

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