The compromise will always be more expensive than either of the suggestions it is compromising.
Some suggestions for you :
If you improve or tinker with something long enough, eventually it will break or malfunction.
The Ninety-Ninety Rule of Project Schedules - the first ninety percent of the task takes ninety percent of the time, and the last ten percent takes the other ninety percent.
A failure will not appear until a unit has passed final inspection.
If your project doesn't work, look for the part that you didn't think was important.