Question

Where to begin? Your new marketing campaign has so many problems. Where to begin?

Accepted Answer

There is so much to say, I have to think about where to start (usually used when you're about to complain and you want to stress that there's a lot to complain about).

Idiom	Where to begin?
Meaning	There is so much to say, I have to think about where to start (usually used when you're about to complain and you want to stress that there's a lot to complain about).
Example	Your new marketing campaign has so many problems. Where to begin?

Begin Complain I Start Stress Lot Marketing Campaign