You're having a great day. Your feet are up on the desk, a big smile on your face. You were just able to double sales with a new advertising campaign(!!!). Lean back, fold your hands behind your head. Queue music... Money money money moooonaaay!

Now, picture thousands of those dollars flying out your 20th story window. Would you sit there smiling as they fluttered down to the street below? Of course not. Would you let that happen? No. 

But you might already be doing it.

You should shut that window. But let's go deeper than that with another analogy.