We keep beating the dead horse, and we won’t stop. You should delegate almost everything! Don’t take our word for it, though. I was recently listening to 80/20 Sales and
Why You Should NEVER Answer Your Own Phone

I don’t love absolutes in language, such as never or always. However, in rare circumstances, such as this one – they’re appropriate. You should NEVER answer your own business phone.
How Much Money Does It Really Cost You to Hire Someone? (Hint: It’s WAY More than You Think)

Most of us are not good at calculating actual costs. For example, you send your assistant to get you a cup of $2.00 coffee. So it cost you $2.00, right?