Answer: salespeople use many tactics to sell products to you, here are a few of them. First of all, there is identify and solve when the salesperson says what problems the machine can solve. Secondly, there is knowing your customer which is when they identify what you want by asking a bunch of questions about you. Lastly, there is "build a relationship" which is when they pretend that they have all the same problems as you and then quickly tell you a product to solve it.
There are many skills you should have if you are working in the Sales & Marketing career cluster but here are a few, first of all, there is patience, secondly, there are communication skills Lastly there is empathy. Those are a few qualities that you should have in the marketing career cluster.
Hope this helps :)