What should the sales person focuses or how he can get prepared before meeting the potential customer for the fist time?

To turn there wants to needs

Confident, before you meet the customer make sure that you can make customer happy.

Show them that you are well prepared and ready by knowing whats needed and required by them. Do the extensive research on the client and their requirements and everything connected to it. Also have a good appearance, speak well and make a good first impression.

he should brush up the knowledge on

product

competitor

general prospect need

General knowledge and 

Skills to handle the prospect.

A detailed knowledge of product. His own as well as competition is absolutely necessary. While he should concentrate on talking about his own product, he should be prepared to answer any query when comparisons are drawn up with competition. And a very important thing is NEVER speak ill about competition.

First he/she should focus on their grooming in order to be presentable to the client. secondly etiquette and last but not least,they should have confidence in what they are selling to be able to convince a client to buy.

A sales person firstly focuses that how to attract the customer, secondly he focuses how can he present his product and lastly after giving a brief and attractive description he succeeds in the deal.

He should have the abilities to present the product clearly and should have the complete and clear information about the product before meeting a customer