← All cases · Money back · in operation · since April 2026
Rental-car negotiation with an audited checkout page
Instead of roughly €11,350, a local provider at roughly €3,886 — and a discrepancy of roughly €720 on the checkout page caught before the click.
Figure: rund 720 € Abweichung auf der Bezahlseite gegenüber der schriftlichen Zusage aufgedeckt · measured 1 June 2026
Request: „Check the checkout page against what they promised.“
- Normalise quotes from several providers to the same scope: insurance, mileage, border crossing, roof tent.
- Send 22 clarification points to the favourite, evaluate the answers over six rounds.
- Check the checkout page line by line against the written commitments.
- Turn the case into a reusable procedure, “book a service”.
A quote from a large rental company of roughly €11,350 for one month of 4x4 in South Africa.
Choosing the provider, every e-mail to the rental company and the click on “book”.
The final price paid was slightly above the negotiated one — the difference is not explained in the log, probably an extra day.
Checking the checkout page against the commitments is the contract review before signing — except that here a tool compares every line.
For a month in South Africa with a roof tent, a large rental company quoted roughly 11,350 euros. The AI normalised quotes from several providers to the same scope — insurance, mileage, border crossing — and found a local provider at roughly 3,886 euros. 22 clarification points, six rounds of answers. Before the click it checked the checkout page line by line against the written commitments and found a discrepancy of roughly 720 euros. The case became a procedure that has run on every booking since.
Evidence in my own archive · as of 24 October 2026.