Practical guides

Practical guides,
with formulas and examples.

Short, checkable answers to the questions I get asked most about quotes, food cost, padel tournaments and reselling.

How to calculate food cost (with an example)

How to calculate the food cost of a dish: formula, a pizza example, the price you get from a target food cost, and the difference between margin and profit.

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Padel Americano tournament: rules and rounds

How a padel Americano tournament works: rotating partners, individual standings, a sample schedule for 8 players on 2 courts, and the difference from Mexicano.

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Minimum resale price: break-even formula

How to calculate the minimum price to resell an item (Vinted, eBay and similar): break-even formula, net profit, ROI and margin with a worked example.

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How to write a quote: what to include

What a quote for work or services should contain: details, line items, subtotal, tax, validity and acceptance, with a sample structure.

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