When Quitting Is the Smarter Option (Instead of Just Hanging On)

In business the advice we get is to hang in, no matter what happens.

Yet, to me that sounds like the wrong advice.

You definitely need to hang in a bit when things get slightly tougher than you expected.

But there's a time for quitting as well. How do you know if you should quit or soldier on?
When Quitting Is the Smarter Option