5 types of sales people – but who’s most successful?

What type of salesperson gets the best results – and why? When it comes to selling, should you challenge your customers or try to develop strong, long-lasting relationships with them? What if you just work harder to get more sales? Tony Gattari, Managing Director and CEO of Achievers Group, says one of these sales methods gets the best results, in both simple sales and complex sales. But which one is it? What he reveals may surprise you.