What you should not do in Sales?

What are the wrong things when sales guys will do? There are many reasons when sales will not achieve there sales target. Here is some reasons why they will fail?

First thing is they wont be able to sell the products without having knowledge. So this is the first thing where sales people should be knowing products. There are people who can do sales without any proper product knowledge, they have in built personality.

Second thing is that they should have what products and where i can pitch it? like which is the area to sell the products? 

Third is he should be capable of doing some research about product and market. If he know this we can do the sales. 

Fourth is he should be mentally prepared and confident about what he is doing. If not he wont be able to do any thing in sales or marketing fields. 

When you become agent to LIC, Insurance and loans selling You will be knowing everything and you will be able to do what ever you want. Because here you will be knowing how to sell what is the market rate? what you should do? how you should search market?many other things.

For selling Business loans and working capital you should be capable of meeting directors and do sales.Confidence is most important. 

For selling Personal loans and other loans need patiences and also you should be capable of doing sales with good product knowledge. 

For insurance my god you should be telling many stories.