BusinessVIDEO GUIDE
Profit margin vs markup: a 100-cost worked example
Compare margin and markup on a cost of 100 and a price of 150. Calculate the selling price needed for a target margin and include extra costs.
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Business2026-09-13 · 2 min read
Break-even point: how many sales cover your costs?
Calculate contribution and break-even units with fixed costs of 30,000. See how variable costs, rounding and daily targets change the result.
2026-09-13 · 3 min read
Profit margin vs markup: a 100-cost worked example
Compare margin and markup on a cost of 100 and a price of 150. Calculate the selling price needed for a target margin and include extra costs.
Business2026-09-13 · 2 min read
VAT-inclusive and exclusive prices: formulas and examples
Learn how to add VAT or extract it from a total using 1,000 and 1,200 examples, and avoid subtracting the rate from a VAT-inclusive price.
Business2026-09-13 · 2 min read
Marketplace fees: revenue, payout and profit explained
Follow a 1,200-unit sale through commission, shipping, service fees and VAT. Understand why a marketplace payout is not the same as profit.
2026-09-06 · 3 min read
Volumetric weight: how box dimensions affect shipping cost
Calculate volumetric weight with a 40 × 30 × 20 cm example. Compare actual weight, dimensional weight and carrier pricing before shipping.
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