BusyFella · Resources

Pricing and Negotiation Guides

Use these guides to verify the logic behind a quotation, understand every percentage and move from headline conditions to real unit economics.

✓ Reviewed and updated 8 September 2026

Guides

Margin vs Markup: Formulas, Differences and Examples

Understand the difference between margin and markup, use the correct formulas and convert one percentage into the other with practical examples.

Guides

Learn how successive discounts work, calculate the effective discount and avoid adding percentages incorrectly.

Guides

A practical method for calculating the real unit cost and profitability of a commercial deal with discounts, free goods, fees, freight and tax.

Methodology: BusyFella makes its calculation logic public so every result can be checked independently.