Devan Joseph
Mark Cuban speaks at Business Insider Ignition 2014.
Bad advice is easy to ignore. But sometimes the worst advice can stick with you, as a reminder of what matters most to your personal and professional fulfillment.
Entrepreneurs by definition have to go against the grain, and so conventional, albeit terrible, advice can be used as a motivational tool.
We've collected the worst advice successful entrepreneurs like Mark Cuban and Barbara Corcoran ever received.
Here's what it taught them.