Take a look at your top sales performers and I bet you'll see that they all check at least 9 of these boxes! Selling a company’s products or services is not rocket science (unless you’re selling some sort of rocket propulsion technology). However, for a member of your sales team to be successful they need to have the right personality traits. Some of the habits are innate but all can be taught. Investing the time to select the right members of your team will pay high dividends.