Depends how billing works, but it's pretty rare to see terms that say we'll deliver exactly what you asked for, on a fixed price and fixed timeline, and take al

Depends how billing works, but it's pretty rare to see terms that say we'll deliver exactly what you asked for, on a fixed price and fixed timeline, and take all the liability for failure. To some degree or another you are paying for time and effort, which are easy to misrepresent.