See What: 20 qualities that all great salespeople share

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Steve Jobs was a master salesman.

To succeed in life and in business, you have to be a great salesperson, whether it's selling yourself, your ideas, or your product.

"Great salespeople are literally the engine of every economy in the world," says Grant Cardone, a sales expert and the author of "Sell or Be Sold: How to Get Your Way in Business and in Life".

So how does one become great? We caught up with Cardone, who shared the 20 qualities that he thinks set great salespeople apart from everyone else.

This is an update of an article originally written by Vivian Giang.

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