Printable PDF
Four A4 pages, two in Spanish and two in English: private prep, worked example and checklist. Not interactive.
Free resource
Client asking for “one more thing”? Recalculate the price privately and get written approval before you work extra hours.
Download the free ZIPNo signup, card or email. 4-page printable PDF (2 ES + 2 EN), editable TXT messages and a LEEME readme.
Open the free calculator
Four A4 pages, two in Spanish and two in English: private prep, worked example and checklist. Not interactive.
UTF-8 TXT with the client email in both languages, ready to paste and adapt.
Permission for professional use. It is a work aid, not a contract, invoice or guarantee.
Add the extra hours to your cost and see what margin the current price leaves.
Define the additional charge, deliverable, exclusions, revision rounds and approval deadline.
Send the message and schedule the work only once the client confirms.
Cost 440, fee 5% + 0.50, target margin 30%: price 677.70. Five extra hours at 15 reduce the margin to 18.93%. Revised price: 793.08, difference 115.38. Before-tax example; assumes one payment for the full total.
Open the free calculatorNo. The download is direct, with no signup, card or email.
It is not interactive: print it or fill it in by hand. The messages are in the editable TXT.
No. Check figures, taxes and terms before sending.