Is Adwords Management so crucial, that you must hire a specialist?

First, I have some questions to ask you, before I give you the answer to above.

Do you have time to learn the Google Adwords management? Do you want to pay more attention to Google Adwords rather than your own business? Do you want your campaigns get beaten with your competitors? Do you want to stay below your competitors? Do you want to lose your business¡¯s potential buyers? Do you want spend more