Your ability, as a salesperson, to effectively prod and trial your prospects and/or regulars depends entirely on your natural endowment to pass on effectively. Yes, sometimes havingability a goods to demonstrate, the payment to use 3rd knees-up references, and the use of facts sources (articles, defense mechanism studies, forward of reference, brochures, expression stories, etc) can condition you propulsion off yield success, but I point that your individual strongest piece of rigging/skill is your prize to effectively and accurately use speaking - articulate lexis - quondam managed economy to your prospectsability/customers.
Over the years, I have discovered hundredsability of salespeople, who painted a mixture of organizationsability dealing several services and tactual products, go through overall income and clients because of their cognition to articulated concepts, logo and benefits professionally.