German phrase
Wie viel ~ ist in ~ erforderlich?
Meaning
How much ___ is required in ___?
When to use it
It asks how much is needed. Use it to check formal requirements politely.
Example dialogue
Wie viel Vorbereitung ist in der Bewerbungsphase erforderlich?
How much preparation is required in the application phase?
In der Regel zwei bis drei Wochen intensiver Arbeit.
Normally, two to three weeks of intensive work.